{"title":"Selden Single Blocks","description":"\u003cp\u003eSelden single blocks for lightweight and durable sailboat rigging solutions. \u003ca href=\"#seo-description\"\u003eClick here to read more.\u003c\/a\u003e\u003c\/p\u003e","products":[{"product_id":"sel40310113r","title":"Selden 30 Ball Bearing Block - Single Becket Strap","description":"\u003cp data-start=\"92\" data-end=\"635\"\u003eThe Selden 30 Ball Bearing Block - Single Becket Strap (403-101-13R) is ideal for smaller boats or trim lines with dynamic loads. It features stainless steel ball bearings for smooth rotation and a glass fiber reinforced polyamide construction for durability. The acetal bearing cage prevents ball-to-ball friction and reduces weight. Perfect for applications requiring low friction and reliable performance. Designed for high-efficiency line handling. Ideal for sailors seeking durable, high-performance deck hardware.\u003c\/p\u003e\n\u003cp\u003eOur Part # SEL40310113R | \u003cspan\u003eMfr. Part \u003c\/span\u003e# 403-101-13R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49347587637554,"sku":"SEL40310113R","price":24.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40310113R.jpg?v=1728057795"},{"product_id":"sel40220105r","title":"Selden 25 High Load Ball Bearing Block - Single","description":"\u003cp\u003eThe Selden 25 High Load Ball Bearing Block - Single (402-201-05R) is designed for dynamic loads on smaller boats. It features a 25mm high load ball bearing for smooth, efficient operation. Ideal for wire and rope up to 5mm in diameter, it’s perfect for rigging control lines, halyards, and tackles. The stainless steel construction ensures high strength and rigidity. The ball cage reduces friction and weight for improved performance. Easy to install with a Tie-On attachment.\u003c\/p\u003e\n\u003cp\u003eOur Part # SEL40220105R | \u003cspan\u003eMfr. Part \u003c\/span\u003e# 402-201-05R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49347605201202,"sku":"SEL40220105R","price":26.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40220105R.jpg?v=1728018765"},{"product_id":"sel40220104r","title":"Selden 25 High Load Ball Bearing Block - Single Loop","description":"\u003cp\u003eThe Selden 25 High Load Ball Bearing Block - Single Loop (402-201-04R) is designed for dynamic loads on smaller boats. It features a 25mm high load ball bearing for smooth performance under pressure. Ideal for use with wire and rope up to 5mm in diameter, it’s perfect for rigging control lines, halyards, and tackles. The stainless steel construction ensures strength and rigidity. A ball cage reduces friction and weight for improved efficiency. Easy installation with a Single Loop attachment.\u003c\/p\u003e\n\u003cp\u003eOur Part # SEL40220104R | \u003cspan\u003eMfr. Part \u003c\/span\u003e# 402-201-04R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49347605233970,"sku":"SEL40220104R","price":26.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40220104R.jpg?v=1728017966"},{"product_id":"sel40410116r","title":"Selden 40 Ball Bearing Block - Single Tie On","description":"\u003cp data-start=\"92\" data-end=\"631\"\u003eThe Selden 40 Ball Bearing Block - Single Tie On (404-101-16R) is a lightweight, flexible 40mm ball bearing block designed for dynamic applications under medium loads. It ties directly to rigging points, eliminating the need for shackles. Stainless steel ball bearings ensure smooth, low-friction performance. Glass fiber reinforced cheeks provide durability and strength. Ideal for moderate and dynamic loads with minimal friction. Perfect for efficient, high-performance rigging systems on medium-sized boats.\u003c\/p\u003e\n\u003cp\u003eOur Part # SEL40410116R| Selden Part # 404-101-16R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49347605266738,"sku":"SEL40410116R","price":26.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40410116R.jpg?v=1728048736"},{"product_id":"sel40310101r","title":"Selden 30 Ball Bearing Block - Single","description":"\u003cp data-start=\"92\" data-end=\"673\"\u003eThe Selden 30 Ball Bearing Block - Single (403-101-01R) is a 30mm ball bearing block with a swiveling shaft and a swivel lock for secure 0° or 90° shackle positioning. It features stainless steel ball bearings for strength and smooth rotation, and a glass fiber reinforced polyamide sheave for durability. Acetal bearing cages reduce friction and weight. The center hole can be used as a becket for added rigging options. Ideal for moderate and dynamic loads with low friction. Perfect for high-performance rigs requiring reliable line handling.\u003c\/p\u003e\n\u003cp\u003eOur Part # SEL40310101R| Selden Part # 403-101-01R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49347614212402,"sku":"SEL40310101R","price":28.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40310101R.jpg?v=1728049509"},{"product_id":"sel40220106r","title":"Selden 25 High Load Ball Bearing Block - Single Pin","description":"\u003cp data-start=\"92\" data-end=\"611\"\u003eThe Selden 25 High Load Ball Bearing Block - Single Pin (402-201-06R) is designed for dynamic loads on smaller boats. It features a 25mm high load ball bearing for smooth operation under pressure. Ideal for wire and rope up to 5mm, perfect for rigging control lines, halyards, and tackles. The stainless steel construction ensures high strength and rigidity. Ball cages reduce friction and weight for enhanced performance. The single pin design offers secure attachment for various applications.\u003c\/p\u003e\n\u003cp\u003eOur Part # SEL40220106R| \u003cspan\u003eMfr. Part \u003c\/span\u003e# 402-201-06R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49347624632626,"sku":"SEL40220106R","price":29.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40220106R.jpg?v=1728019349"},{"product_id":"sel40410102r","title":"Selden 40 Ball Bearing Block - Single Strap","description":"\u003cp data-start=\"92\" data-end=\"625\"\u003eThe Selden 40 Ball Bearing Block - Single Strap (404-101-02R) is a 40mm ball bearing block with a stainless attachment strap for secure rigging. It features stainless steel ball bearings and a polymer sheave for minimal friction and smooth operation. Designed for dynamic load applications, it provides high strength and precise control. Ideal for high-performance rigs requiring efficient, low-friction line handling. Perfect for demanding sailing conditions. Built for reliability and durability under load.\u003c\/p\u003e\n\u003cp\u003eOur Part # SEL40410102R | Selden Part # 404-101-02R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49347624698162,"sku":"SEL40410102R","price":29.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40410102R.jpg?v=1728035224"},{"product_id":"sel40500101r","title":"Selden 50 Plain Bearing Block - Single","description":"\u003cp\u003eThe Selden 50 Plain Bearing Block - Single (405-001-01R) is designed for medium-sized boats, providing reliable performance for various applications. It features an acetal sheave and a stainless steel strap for enhanced safety. The glass fiber reinforced composite cheeks prevent lines from wedging, ensuring smooth operation. A sliding swivel locking mechanism allows adjustable shackle positioning at 0°, 90°, or swiveling. Ideal for handling heavy and static loads. Perfect for sailors seeking durable, high-performance deck hardware.\u003c\/p\u003e\n\u003cp\u003eOur Part # SEL40500101R| \u003cspan\u003eMfr. Part\u003c\/span\u003e # 405-001-01R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49347624730930,"sku":"SEL40500101R","price":29.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40500101R.jpg?v=1728049305"},{"product_id":"sel40410120r","title":"Selden 40 Ball Bearing Block - Single Becket Strap","description":"\u003cp data-start=\"92\" data-end=\"675\"\u003eThe Selden 40 Ball Bearing Block - Single Becket Strap (404-101-20R) is a 40mm ball bearing block designed for dynamic applications under medium loads. It features a becket for added rigging flexibility and a stainless strap for secure mounting. Stainless steel ball bearings ensure smooth, low-friction operation, while glass fiber reinforced cheeks provide durability. Ideal for moderate and dynamic loads requiring minimal friction. Perfect for high-performance rigs and demanding sailing conditions. Designed for reliable, efficient operation.\u003c\/p\u003e\n\u003cp\u003eOur Part # SEL40410120R | Selden Part # 404-101-20R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49347636396338,"sku":"SEL40410120R","price":30.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40410120R.jpg?v=1728027825"},{"product_id":"sel40220107r","title":"Selden 25 High Load Ball Bearing Block - Single Becket","description":"\u003cp data-start=\"92\" data-end=\"615\"\u003eThe Selden 25 High Load Ball Bearing Block - Single Becket (402-201-07R) is designed for dynamic loads on smaller boats. It features a 25mm high load ball bearing for smooth, efficient operation. Ideal for wire and rope up to 5mm, perfect for rigging control lines, halyards, and tackles. The stainless steel construction ensures strength and rigidity. Ball cages reduce friction and weight for improved performance. The single becket design provides secure attachment for control lines and tackles.\u003c\/p\u003e\n\u003cp\u003eOur Part # SEL40220107R | \u003cspan\u003eMfr. Part \u003c\/span\u003e# 402-201-07R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49347662184754,"sku":"SEL40220107R","price":35.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40220107R.jpg?v=1728015754"},{"product_id":"sel40310103r","title":"Selden 30 Ball Bearing Block - Single Becket","description":"\u003cp data-start=\"92\" data-end=\"706\"\u003eThe Selden 30 Ball Bearing Block - Single Becket (403-101-03R) features a 30mm ball bearing block with a swiveling shaft and a swivel lock for secure 0° or 90° shackle positioning. Stainless steel ball bearings ensure strength and smooth rotation, while glass fiber reinforced polyamide sheaves and cheeks provide durability. Acetal bearing cages reduce friction and weight. The center hole can be used as a becket for added rigging flexibility. Ideal for moderate and dynamic loads with minimal friction. Perfect for high-performance rigs requiring smooth, efficient operation.\u003c\/p\u003e\n\u003cp\u003eOur Part # SEL40310103R | \u003cspan\u003eMfr. Part\u003c\/span\u003e # 403-101-03R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49347662250290,"sku":"SEL40310103R","price":35.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40310103R.jpg?v=1728032709"},{"product_id":"sel40410101r","title":"Selden 40 Ball Bearing Block - Single","description":"\u003cp data-start=\"92\" data-end=\"696\"\u003eThe Selden 40 Ball Bearing Block - Single (404-101-01R) is a 40mm ball bearing block designed for dynamic applications and medium loads. It features a swiveling shaft with a swivel lock for fixed 0° or 90° shackle positioning. Stainless steel ball bearings ensure smooth, low-friction rotation, while glass fiber reinforced polyamide sheave and cheeks provide durability. Acetal bearing cages reduce friction and weight. The center hole can be used as a becket for additional rigging flexibility. Ideal for moderate and dynamic loads with minimal friction.\u003c\/p\u003e\n\u003cp\u003eOur Part # SEL40410101R | Selden Part # 404-101-01R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49347677520178,"sku":"SEL40410101R","price":35.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40410101R.jpg?v=1728049135"},{"product_id":"sel40500102r","title":"Selden 50 Plain Bearing Block - Single Becket","description":"\u003cp\u003eThe Selden 50 Plain Bearing Block - Single Becket (405-001-02R) is designed for medium-sized boats, offering reliable performance for various applications. It features an acetal sheave and stainless steel strap for enhanced safety. The glass fiber reinforced composite cheeks prevent lines from wedging for smooth operation. A sliding swivel locking mechanism allows adjustable shackle positioning at 0°, 90°, or swiveling. Ideal for heavy and static loads, this block provides strength and durability. Perfect for sailors seeking high-performance, long-lasting deck hardware.\u003c\/p\u003e\n\u003cp\u003eOur Part # SEL40500102R | \u003cspan\u003eMfr. Part\u003c\/span\u003e # 405-001-02R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49347677684018,"sku":"SEL40500102R","price":35.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40500102R.jpg?v=1728054247"},{"product_id":"sel40660114r","title":"Selden 60 Ball Bearing Block - Single Tie On","description":"\u003cp data-start=\"92\" data-end=\"630\"\u003eThe Selden 60 Ball Bearing Block - Single Tie On (406-601-14R) features a 60mm sheave and Delrin ball bearings for reduced friction and smooth operation. Designed to be tied directly onto a rigging point, it eliminates the need for a shackle. Glass fiber reinforced cheeks ensure strength and durability. Ideal for mainsail, genoa, and spinnaker sheet systems. Perfect for applications requiring high articulation and lightweight performance. A flexible rigging solution for demanding sailing environments.\u003c\/p\u003e\n\u003cp\u003eFor Heavy Duty\u003c\/p\u003e\n\u003cp\u003eOur Part # SEL40660114R | \u003cspan\u003eMfr. Part\u003c\/span\u003e # 406-601-14R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49347698262322,"sku":"SEL40660114R","price":39.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40660114R.jpg?v=1728060818"},{"product_id":"sel40410103r","title":"Selden 40 Ball Bearing Block - Single Swivel Becket","description":"\u003cp data-start=\"92\" data-end=\"671\"\u003eThe Selden 40 Ball Bearing Block - Single Swivel Becket (404-101-03R) is a 40mm ball bearing block designed for dynamic applications under medium loads. It features a swiveling shaft with a swivel lock, fixing the shackle at 0° or 90°. Stainless steel ball bearings ensure smooth rotation, while glass fiber reinforced cheeks and Acetal bearing cages reduce friction. Ideal for moderate and dynamic loads, offering minimal friction. Perfect for high-performance rigs with reliable operation. Designed for demanding marine environments.\u003c\/p\u003e\n\u003cp\u003eOur Part # SEL40410103R | Selden Part # 404-101-03R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49347703439666,"sku":"SEL40410103R","price":40.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40410103R.jpg?v=1728036708"},{"product_id":"sel40600101r","title":"Selden 60 Plain Bearing Block - Single","description":"\u003cp\u003eThe Selden 60 Plain Bearing Block - Single Fixed (406-001-01R) is a robust 60mm plain bearing block with composite reinforced sides for strength. It includes a polymer sheave and stainless steel strap engineered for corrosion resistance and durability. Fixed shackle configuration provides consistent alignment under load with no swivel. Ideal for steady, low-friction operation in sailing and rigging systems. Designed for demanding environments and moderate to heavy line loads. Perfect for efficient, reliable rigging performance.\u003c\/p\u003e\u003cp\u003eOur Part # SEL40600101R | Selden Part # 406-001-01R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49347707109682,"sku":"SEL40600101R","price":41.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40600101R.jpg?v=1728054435"},{"product_id":"sel40600102r","title":"Selden 60 Plain Bearing Block - Single Becket","description":"\u003cp\u003eThe Selden 60 Plain Bearing Block - Single Swivel (406-001-02R) is a 60mm plain bearing block with glass-fiber-reinforced polyamide sides for durability. It offers a polymer sheave and stainless steel strap for long-lasting, corrosion-resistant strength. The swivel shackle design enables rotating or fixed positioning via adjustable lock. Ideal for medium to heavy-duty rigging that needs flexibility and low friction. Crafted for high-performance sailing systems in demanding marine conditions. Ensures smooth, precise line handling.\u003c\/p\u003e\u003cp\u003eOur Part # SEL40600102R | Selden Part # 406-001-02R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49347747053874,"sku":"SEL40600102R","price":47.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40600102R.jpg?v=1728027814"},{"product_id":"sel40660101r","title":"Selden 60 Ball Bearing Block - Single","description":"\u003cp\u003eThe Selden 60 Ball Bearing Block - Single (406-601-01R) features a 60mm ball bearing block with a swiveling shaft for flexible line control. A plastic washer acts as a swivel lock, securing the shackle at 0° or 90°. Delrin ball bearings ensure smooth rotation, while glass fiber reinforced cheeks provide strength and durability. Ideal for use with mainsail, genoa, and spinnaker sheets, or control lines. Perfect for both static and dynamic load applications. Designed for high-performance and reliable line handling. \u003c\/p\u003e\n\u003cp\u003eOur Part # SEL40660101R | \u003cspan\u003eMfr. Part \u003c\/span\u003e# 406-601-01R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49347759800626,"sku":"SEL40660101R","price":49.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40660101R.jpg?v=1728031716"},{"product_id":"sel40660102r","title":"Selden 60 Ball Bearing Block - Single Becket","description":"\u003cp data-start=\"92\" data-end=\"702\"\u003eThe Selden 60 Ball Bearing Block - Single Becket (406-601-02R) is a versatile 60mm ball bearing block with a swiveling shaft and becket for additional rigging flexibility. A plastic washer serves as a swivel lock, fixing the shackle at 0° or 90°. Delrin ball bearings ensure smooth operation, while glass fiber reinforced cheeks provide strength and durability. Ideal for mainsail and control line applications, offering reliable performance under dynamic loads. Perfect for high-performance rigs and demanding sailing environments. Designed for smooth, efficient line handling.\u003c\/p\u003e\n\u003cp\u003eFor Heavy Duty\u003c\/p\u003e\n\u003cp\u003eOur Part # SEL40660102R | \u003cspan\u003eMfr. Part\u003c\/span\u003e # 406-601-02R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49347770581298,"sku":"SEL40660102R","price":52.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40660102R.jpg?v=1728018422"},{"product_id":"sel40660164r","title":"Selden 60 Ball Bearing Block High Load - Single Tie On","description":"\u003cp\u003eThe Selden 60 Ball Bearing Block High Load - Single Tie On (406-601-64R) offers maximum flexibility and strength for rigging systems. The 60mm sheave is supported by stainless steel ball bearings and races, reducing friction and increasing durability. Acetal bearing cages prevent ball-to-ball friction and reduce weight. Glass fiber reinforced cheeks ensure long-lasting durability and resistance to wear. Ideal for dynamic use, this block offers tie-on convenience without the need for shackles. Perfect for high-performance rigging systems.\u003c\/p\u003e\n\u003cp\u003eFor Heavy Duty\u003c\/p\u003e\n\u003cp\u003eOur Part # SEL40660164R | \u003cspan\u003eMfr. Part \u003c\/span\u003e# 406-601-64R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49347770614066,"sku":"SEL40660164R","price":52.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40660164R.jpg?v=1728047878"},{"product_id":"sel40420101r","title":"Selden Plain Bearing Block - 40mm High Load","description":"\u003cp\u003eThe Selden Plain Bearing Block #404-201-01R is a robust single block designed for high-performance sailing, maximizing strength with minimal weight. It’s built with stainless steel, anodised aluminium, and polymer components, offering durability and reliability when using wires or Dyneema\/Spectra. This block is a smart choice for sailors looking for efficiency and strength without the bulk.\u003c\/p\u003e\u003cp\u003eThis high-load single block features a polished stainless steel and anodised aluminium construction, ensuring longevity and performance under pressure. Ideal for those looking for dependable sailing gear, this block is designed to handle the rigors of sailing with ease. Its premium materials make it suitable for a range of sailing applications, especially when working with high-tech lines like Dyneema\/Spectra.\u003c\/p\u003e\u003cp\u003eOur Part # SEL40420101R| Selden Part # 404-201-01R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49347786735922,"sku":"SEL40420101R","price":55.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40420101R.jpg?v=1728021385"},{"product_id":"sel40700101r","title":"Selden 70 Plain Bearing Block - Single","description":"\u003cp\u003eThe Selden 70 Plain Bearing Block - Single #407-001-01R is your go-to choice for a durable and efficient single block in sailing. Crafted with top-notch materials, it strikes the perfect balance between strength and lightweight performance, making it a reliable component for any rigging setup. Enjoy peace of mind knowing it can handle various sailing conditions with ease.\u003c\/p\u003e\u003cp\u003eDesigned with top-quality materials, this single block features a glass fibre reinforced composite construction and marine grade stainless steel components. Its robust design is made to endure the demanding conditions of sailing while providing maximum efficiency and reliability. Ideal for sailors seeking a high-performance block that ensures smooth operation and longevity.\u003c\/p\u003e\u003cp\u003eOur Part # SEL40700101R| Selden Part # 407-001-01R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49347803414834,"sku":"SEL40700101R","price":59.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40700101R.jpg?v=1728037408"},{"product_id":"sel40660151r","title":"Selden 60 Ball Bearing Block High Load - Single","description":"\u003cp\u003eThe Selden 60 Ball Bearing Block High Load - Single (406-601-51R) is designed for high dynamic loads, offering stainless steel ball bearings for strength and smooth rotation. It features a ø60 mm polymer sheave and glass fiber reinforced polyamide cheeks for durability. Acetal bearing cages prevent ball-to-ball friction and reduce weight. The center hole can be used as a becket. A plastic washer acts as a swivel lock, fixing the shackle at 0° or 90°. Ideal for moderate and dynamic loads, providing minimal friction for efficient performance.\u003c\/p\u003e\n\u003cp\u003eFor Heavy Duty\u003c\/p\u003e\n\u003cp\u003eOur Part # SEL40660151R | \u003cspan\u003eMfr. Part \u003c\/span\u003e# 406-601-51R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49347813081394,"sku":"SEL40660151R","price":60.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40660151R.jpg?v=1728042977"},{"product_id":"sel40660152r","title":"Selden 60 Ball Bearing Block High Load - Single Becket","description":"\u003cp\u003eThe Selden 60 Ball Bearing Block High Load - Single Becket (406-601-52R) is built for heavy load applications with a 60mm sheave supported by stainless steel ball bearings and races for reduced friction and enhanced durability. Acetal bearing cages prevent ball-to-ball friction and reduce weight. The block features a becket for rigging versatility and a plastic washer swivel lock, fixing the shackle at 0° or 90°. Glass fiber reinforced cheeks add strength and durability. Ideal for control line applications on larger keelboats, providing reliable performance under demanding loads.\u003c\/p\u003e\n\u003cp\u003eFor Heavy Duty\u003c\/p\u003e\n\u003cp\u003eOur Part # SEL40660152R | \u003cspan\u003eMfr. Part\u003c\/span\u003e # 406-601-52R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49347838804274,"sku":"SEL40660152R","price":66.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40660152R.jpg?v=1728034961"},{"product_id":"sel40700102r","title":"Selden 70 Plain Bearing Block - Single Becket","description":"\u003cp\u003eThe Selden 70 Plain Bearing Block - Single Becket #407-001-02R is your go-to choice for high-strength sailing needs. Crafted to offer a superb strength-to-weight ratio using top-notch materials, this composite block promises durability and performance without compromise. It's designed to seamlessly interact with your rig, ensuring smooth sailing in any condition.\u003c\/p\u003e\u003cp\u003eThis composite block is made from glass fibre reinforced composite and marine-grade stainless steel, ensuring it stands up to harsh marine environments. The block is equipped with a glass fibre reinforced sheave featuring a Teflon® bushing, which enhances its performance and longevity. Its shackle with a 6 mm body and 8 mm pin guarantees a strong yet lightweight build, while the stainless steel strap adds to its durability. The sliding swivel locking mechanism offers flexibility, making it an ideal choice for your sailing adventures.\u003c\/p\u003e\u003cp\u003ePerfect for use in sailing, the block is designed to handle high loads while ensuring smooth operation. Its unique construction makes it suitable for a variety of marine applications, offering reliable performance every time.\u003c\/p\u003e\u003cp\u003eOur Part # SEL40700102R| Selden Part # 407-001-02R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49347850273074,"sku":"SEL40700102R","price":70.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40700102R.jpg?v=1728062289"},{"product_id":"sel40440101r","title":"Selden 45 Ball Bearing Block - Automatic Ratchet","description":"\u003cp data-start=\"109\" data-end=\"643\"\u003eThe Selden 45 Ball Bearing Block (404-401-01R) features a 45 mm composite sheave with automatic ratchet functionality, ideal for dynamic sailing conditions. This single swivel block comes with a swivel lock and plastic washer for fixed 0° or 90° shackle positioning. Lightweight ø5 mm Delrin ball bearings ensure smooth operation, while the automatic ratchet activates when load increases. The switch-over point is easily adjustable with an allen key, providing fast and precise control for the sailor.\u003c\/p\u003e\n\u003cp\u003eOur Part # SEL40440101R | Selden Part # 404-401-01R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49347880878386,"sku":"SEL40440101R","price":73.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SELDEN_23.jpg?v=1755014299"},{"product_id":"sel40500103r","title":"Selden 50 Plain Bearing Block - Single Cam","description":"\u003cp\u003eThe Selden 50 Plain Bearing Block - Single Cam (405-001-03R) is designed for medium-sized boats, suitable for various applications. It features an acetal sheave and stainless steel strap for enhanced safety. The glass fiber reinforced composite cheeks prevent lines from wedging. A sliding swivel locking mechanism allows for adjustable shackle positioning at 0°, 90°, or swiveling. The 38 mm cam cleat includes composite cams and a top-guide for secure line holding. Ideal for sailors seeking reliable, high-performance deck hardware.\u003c\/p\u003e\n\u003cp\u003eOur Part # SEL40500103R | \u003cspan\u003eMfr. Part #\u003c\/span\u003e 405-001-03R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49347885531442,"sku":"SEL40500103R","price":74.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40500103R.jpg?v=1728026723"},{"product_id":"sel40500104r","title":"Selden 50 Plain Bearing Block - Single Becket Cam","description":"\u003cp data-start=\"92\" data-end=\"657\"\u003eThe Selden 50 Plain Bearing Block - Single Becket Cam (405-001-04R) is designed for medium-sized boats, offering versatile application options. It features an acetal sheave and stainless steel strap for enhanced safety. The glass fiber reinforced composite cheeks prevent lines from wedging. A sliding swivel locking mechanism allows for adjustable shackle positioning at 0°, 90°, or swiveling. The 38 mm cam cleat includes composite cams and a top-guide for secure line holding. Ideal for sailors seeking durable and reliable deck hardware.\u003c\/p\u003e\n\u003cp\u003eOur Part # SEL40500104R | \u003cspan\u003eMfr. Part\u003c\/span\u003e # 405-001-04R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49347911647538,"sku":"SEL40500104R","price":80.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40500104R.jpg?v=1728028533"},{"product_id":"sel40600103r","title":"Selden 60 Plain Bearing Block - Single Cam","description":"\u003cp data-start=\"92\" data-end=\"718\"\u003eThe Selden 60 Plain Bearing Block - Single Cam (406-001-03R) is a 60mm plain bearing block with a 38mm composite cam cleat, designed for lines Ø8-12mm. The cam cleat arm is adjustable to multiple angles for flexibility. Ideal for heavy loads in halyard, mainsheet, and boom vang systems. Features include a stainless steel strap, glass fiber reinforced composite cheeks, and a sliding swivel locking mechanism for shackle positioning at 0°, 90°, or swiveling. Perfect for heavy and static loads with reliable operation. Designed for high-performance rigging systems.\u003c\/p\u003e\n\u003cp\u003eOur Part # SEL40600103R | Selden Part # 406-001-03R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49347937108274,"sku":"SEL40600103R","price":86.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40600103R.jpg?v=1728059776"},{"product_id":"sel40600104r","title":"Selden 60 Plain Bearing Block - Single Becket Cam","description":"\u003cp data-start=\"92\" data-end=\"703\"\u003eThe Selden 60 Plain Bearing Block - Single Becket Cam (406-001-04R) features a 60mm plain bearing block with a 38mm composite cam cleat for secure line handling. The cam cleat arm is adjustable to multiple angles for flexibility. Includes glass fiber reinforced cheeks and a stainless steel strap for enhanced durability and safety. Sliding locking mechanism allows for 0°, 90°, or swiveling shackle positions, with a detachable pin for a spliced eye. Ideal for tackles, barber haulers, boom vangs, and more. Perfect for high-performance rigging applications.\u003c\/p\u003e\n\u003cp\u003eOur Part # SEL40600104R | Selden Part # 406-001-04R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49347950412082,"sku":"SEL40600104R","price":89.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40600104R.jpg?v=1728027741"},{"product_id":"sel40610101r","title":"Selden Plain Bearing Block - 60 mm High Load","description":"\u003cp data-start=\"0\" data-end=\"391\"\u003eThe Selden Plain Bearing Block - 60 mm High Load (406-101-01R) is a robust plain bearing block designed for high load applications, such as backstays. It features electropolished stainless steel cheeks, a black anodized aluminum sheave with polymer plain bearing, a ø8 mm pin, and a bushing for ø10 mm applications. Optimized for ø5 mm soft wires (7x19 strand) or Dyneema\/Spectra core.\u003c\/p\u003e\n\u003cp data-start=\"393\" data-end=\"450\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eOur Part # SEL40610101R | Manufacturer Part # 406-101-01R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49347982065970,"sku":"SEL40610101R","price":99.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40610101R.jpg?v=1728048977"},{"product_id":"sel40410104r","title":"Selden 40 Ball Bearing Block - Single Swivel Cam","description":"\u003cp data-start=\"92\" data-end=\"700\"\u003eThe Selden 40 Ball Bearing Block - Single Swivel Cam (404-101-04R) features a 40mm ball bearing block with an integrated 27mm composite cam cleat for secure line holding and easy adjustments. The cam cleat arm is adjustable to multiple angles. Equipped with a swiveling shaft and a plastic washer that locks the shackle at 0° or 90°. Stainless steel ball bearings provide smooth rotation under medium loads, while glass fiber reinforced cheeks enhance durability. The center hole can be used as a becket. Ideal for moderate and dynamic loads with low friction.\u003c\/p\u003e\n\u003cp\u003eOur Part # SEL40410104R | Selden Part # 404-101-04R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49348005757234,"sku":"SEL40410104R","price":104.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40410104R.jpg?v=1728060523"},{"product_id":"sel40410105r","title":"Selden 40 Ball Bearing Block - Single Beckett Cam","description":"\u003cp data-start=\"92\" data-end=\"715\"\u003eThe Selden 40 Ball Bearing Block - Single Becket Cam (404-101-05R) features a 40mm sheave, swiveling shaft, becket, and integrated 27mm composite cam cleat for efficient line management. It includes a swivel lock with a plastic washer to fix the shackle at 0° or 90°. The cam cleat arm adjusts to multiple angles for flexible control. Stainless steel ball bearings ensure smooth rotation, while glass fiber reinforced cheeks and Acetal bearing cages reduce friction and weight. Ideal for moderate and dynamic loads with minimal friction, providing high-performance line handling.\u003c\/p\u003e\n\u003cp\u003eOur Part # SEL40410105R | Selden Part # 404-101-05R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49348026073394,"sku":"SEL40410105R","price":111.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40410105R.jpg?v=1728061462"},{"product_id":"sel40800101r","title":"Selden 80 Plain Bearing Block - Single","description":"\u003cp data-start=\"92\" data-end=\"687\"\u003eThe Selden 80 Plain Bearing Block - Single (408-001-01R) is an 80mm multi-purpose block designed for efficient line handling. It features a glass fiber reinforced sheave with a polymer bushing and stainless steel strap for added safety. The glass fiber reinforced composite cheeks prevent lines from wedging. The shackle has an ø8mm body and ø10mm pin for optimized strength and weight savings. Sliding swivel locking mechanism allows for adjustable shackle positioning at 0°, 90°, or swiveling. Ideal for heavy and static loads with minimal friction.\u003c\/p\u003e\n\u003cp\u003eOur Part # SEL40800101R | Selden Part # 408-001-01R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49348062740786,"sku":"SEL40800101R","price":124.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40800101R.jpg?v=1728040322"},{"product_id":"sel40660103r","title":"Selden 60 Ball Bearing Block - Single Cam","description":"\u003cp\u003eThe Selden 60 Ball Bearing Block - Single Cam (406-601-03R) features a 60mm ball bearing block with an integrated 38mm composite cam cleat for quick line adjustments. The cam cleat arm can be set to various angles for flexible control. A plastic washer acts as a swivel lock, allowing the shackle to be fixed at 0° or 90°. Delrin ball bearings reduce friction, while glass fiber reinforced cheeks ensure durability. Ideal for mainsail, control lines, and trim applications requiring low friction and fast response. Perfect for dynamic sailing environments.\u003c\/p\u003e\n\u003cp\u003eOur Part # SEL40660103R | \u003cspan\u003eMfr. Part \u003c\/span\u003e# 406-601-03R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49348072440114,"sku":"SEL40660103R","price":129.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40660103R.jpg?v=1728027666"},{"product_id":"sel40660104r","title":"Selden 60 Ball Bearing Block - Single Becket Cam","description":"\u003cp data-start=\"92\" data-end=\"719\"\u003eThe Selden 60 Ball Bearing Block - Single Becket Cam (406-601-04R) features a 60mm ball bearing block with an integrated 38mm composite cam cleat for quick adjustments. The cam cleat arm offers adjustable angles for flexible control. Designed with a plastic washer as a swivel lock, the shackle can be fixed at 0° or 90°. Delrin ball bearings and glass fiber reinforced cheeks ensure durability and low friction. Ideal for heavy load applications like mainsail and control lines. Perfect for trim applications in dynamic sailing environments requiring quick response and reliability.\u003c\/p\u003e\n\u003cp\u003eOur Part # SEL40660104R | Selden Part # 406-601-04R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49348081025330,"sku":"SEL40660104R","price":132.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40660104R.jpg?v=1728056728"},{"product_id":"sel40800102r","title":"Selden 80 Plain Bearing Block - Single Becket","description":"\u003cp data-start=\"92\" data-end=\"769\"\u003eThe Selden 80 Plain Bearing Block - Single Becket (408-001-02R) is designed for high strength and performance on larger boats. It features a glass fiber reinforced sheave with a polymer bushing and stainless steel strap for durability. The block includes a swivel locking mechanism, glass fiber reinforced composite cheeks to prevent jamming, and a becket with detachable pin for a spliced eye. The ø8mm body and ø10mm pin optimize strength and weight savings. Ideal for spinnaker sheets, barber haulers, and more. Sliding swivel locking mechanism allows for adjustable shackle positions at 0°, 90°, or swiveling.\u003c\/p\u003e\n\u003cp data-start=\"92\" data-end=\"769\"\u003eOur Part # \u003cspan\u003eSEL40800102R\u003c\/span\u003e | \u003cspan\u003eManuf. Code\u003c\/span\u003e # \u003cspan\u003e408-001-02R\u003c\/span\u003e\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49348085121330,"sku":"SEL40800102R","price":133.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40800102R.jpg?v=1728042927"},{"product_id":"sel40810101r","title":"Selden Plain Bearing Block - 80 mm High Load","description":"\u003cp\u003eThese blocks are optimised for wires or Dyneema\/Spectra core. \u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eStainless steel, electro polished  cheeks, anodised aluminium sheave  and polymer plain bearing bushing.\u003c\/li\u003e\n    \u003cli\u003eOuter side plates to increase breaking  load  — but still optimising the weight.  For PBB 60\/80\/100\/130.\u003c\/li\u003e\n    \u003cli\u003eTwo polyamide washers on pin\/  bushing to reduce play between  wire terminal and cheeks.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e Our Part # SEL40810101R | Selden Part # 408-101-01R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49348336058674,"sku":"SEL40810101R","price":179.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40810101R.jpg?v=1728063583"},{"product_id":"sel40620101r","title":"Selden 60 Roller Bearing Block - Single Swivel","description":"\u003cp data-start=\"92\" data-end=\"734\"\u003eThe Selden 60 Roller Bearing Block - Single Swivel (406-201-01R) is designed for high-load dynamic applications, featuring Torlon roller bearings for durability and performance. Built with machined black anodized aluminium and marine-grade stainless steel, the swiveling shaft can be fixed at 0° or 90°. The ø6mm body and ø8mm pin optimize strength while reducing weight. Acetal thrust bearings stabilize the sheave under side loads. Part of the Seldén RBB performance range, offering low-friction for high-efficiency rigging. Ideal for demanding sailing conditions and dynamic rigging.\u003c\/p\u003e\n\u003cp\u003eOur Part # SEL40620101R | Mfr. Part # 406-201-01R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49348442718514,"sku":"SEL40620101R","price":208.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40620101R.jpg?v=1728061849"},{"product_id":"sel40620102r","title":"Selden 60 Roller Bearing Block - Single Swivel Becket","description":"\u003cp data-start=\"92\" data-end=\"669\"\u003eThe Selden 60 Roller Bearing Block - Single Swivel Becket (406-201-02R) is designed for high-load, dynamic applications, featuring Torlon roller bearings for superior durability. Built with machined black anodized aluminium and marine-grade stainless shaft, it swivels and can be fixed at 0° or 90°. The hollow, chamfered shaft reduces weight, and the ø6mm body and ø8mm pin optimize strength. Acetal thrust bearings stabilize the sheave under side loads. Ideal for low-friction, high-performance rigging in demanding conditions.\u003c\/p\u003e\n\u003cp\u003eOur Part # SEL40620102R | Mfr. Part # 406-201-02R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49348526735666,"sku":"SEL40620102R","price":226.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SELDEN_9.jpg?v=1754590195"},{"product_id":"sel41010101r","title":"Selden Plain Bearing Block - 100 mm High Load","description":"\u003cp\u003eThese blocks are optimised for wires or Dyneema\/Spectra core. \u003c\/p\u003e\n \u003cul\u003e\n  \u003cli\u003eStainless steel, electro polished cheeks, anodised aluminium sheave and polymer plain bearing bushing.\u003c\/li\u003e\n  \u003cli\u003eOuter side plates to increase breaking load — but still optimising the weight. For PBB 60\/80\/100\/130.\u003c\/li\u003e\n  \u003cli\u003eTwo polyamide washers on pin\/ bushing to reduce play between wire terminal and cheeks.\u003c\/li\u003e\n \u003c\/ul\u003e\u003cp\u003e Our Part # SEL41010101R | Mfr. Part # 410-101-01R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49348675404082,"sku":"SEL41010101R","price":280.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL41010101R.jpg?v=1728021563"},{"product_id":"sel40820101r","title":"Selden 80 Roller Bearing Block - Single Swivel","description":"\u003cp data-start=\"92\" data-end=\"712\"\u003eThe Selden 80 Roller Bearing Block - Single Swivel (408-201-01R) is designed for high load, dynamic applications. Made with machined black anodized aluminium and Torlon roller bearings for superior durability and performance. The marine-grade stainless shaft swivels and can be fixed at 0° or 90° with a set screw, reducing weight with a ø8mm body and ø10mm pin. Acetal thrust bearings stabilize the sheave under side loads. Part of Seldén's RBB performance range, offering low friction for optimal performance. Ideal for demanding trimming and dynamic load applications.\u003c\/p\u003e\n\u003cp\u003eOur Part # SEL40820101R | Mfr. Part # 408-201-01R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49348781506866,"sku":"SEL40820101R","price":405.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40820101R.jpg?v=1728016700"},{"product_id":"sel41000101r","title":"Selden 100 Plain Bearing Block - Single","description":"\u003cp data-start=\"92\" data-end=\"687\"\u003eThe Selden 100 Plain Bearing Block - Single (410-001-01R) is designed for up to 4-ton working load, featuring a plain bearing with polymer bushing and two axial Delrin thrust bearings for stability. It includes a machined, black anodized aluminium sheave and cheeks, with marine-grade stainless shaft that swivels or locks at 0° or 90°. All stainless parts are insulated from aluminium to prevent corrosion. The block is quick and easy to dismantle for maintenance. Ideal for high-load applications requiring reliable and durable performance.\u003c\/p\u003e\n\u003cp\u003eOur Part # SEL41000101R | Mfr. Part # 410-001-01R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49348811456818,"sku":"SEL41000101R","price":445.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL41000101R.jpg?v=1728042943"},{"product_id":"sel41000102r","title":"Selden 100 Plain Bearing Block - Single Swivel Becket","description":"\u003cp data-start=\"92\" data-end=\"754\"\u003eThe Selden 100 Plain Bearing Block - Single Swivel Becket (410-001-02R) is designed for up to 4-ton working load, featuring a plain bearing with polymer bushing and two axial Delrin thrust bearings for smooth operation. The machined, black anodized aluminium sheave and cheeks offer durability, and the stainless parts are insulated from aluminium to prevent corrosion. The becket shaft is ø16mm and detachable for a spliced line. The marine-grade stainless swiveling shaft can be fixed at 0° or 90° with a set screw. Easy to dismantle for maintenance and ideal for high-load rigging applications.\u003c\/p\u003e\n\u003cp\u003eOur Part # SEL41000102R | Mfr. Part # 410-001-02R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49348835115314,"sku":"SEL41000102R","price":470.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SELDEN_7.jpg?v=1754589014"},{"product_id":"sel40820102r","title":"Selden 80 Roller Bearing Block - Single Swivel Becket","description":"\u003cp data-start=\"92\" data-end=\"733\"\u003eThe Selden 80 Roller Bearing Block - Single Swivel Becket (408-201-02R) is designed for high load, dynamic applications. Made with machined black anodized aluminium and Torlon roller bearings, it ensures durability and performance. The marine-grade stainless shaft swivels and can be fixed at 0° or 90° with a set screw, reducing weight with a ø8mm body and ø10mm pin. Acetal thrust bearings stabilize the sheave under side loads. The becket shaft is ø8 x 18mm and fixed with M5 screws. Part of Seldén's RBB performance range, offering low friction for smooth, long-lasting operation.\u003c\/p\u003e\n\u003cp\u003eOur Part # SEL40820102R | Mfr. Part # 408-201-02R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49348907925810,"sku":"SEL40820102R","price":580.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL40820102R.jpg?v=1728020855"},{"product_id":"sel41310101r","title":"Selden Plain Bearing Block - 120 mm High Load","description":"\u003cp\u003eThese blocks are optimised for wires or Dyneema\/Spectra core. \u003c\/p\u003e\n \u003cul\u003e\n  \u003cli\u003eStainless steel, electro polished cheeks, anodised aluminium sheave and polymer plain bearing bushing.\u003c\/li\u003e\n  \u003cli\u003eOuter side plates to increase breaking load — but still optimising the weight. For PBB 60\/80\/100\/130.\u003c\/li\u003e\n  \u003cli\u003eTwo polyamide washers on pin\/ bushing to reduce play between wire terminal and cheeks.\u003c\/li\u003e\n \u003c\/ul\u003e\u003cp\u003e Our Part # SEL41310101R | Mfr. Part # 413-101-01R\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":49348950491442,"sku":"SEL41310101R","price":655.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/SEL41310101R.jpg?v=1728038359"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/collections\/download_c4191d10-1880-47f4-bf28-60769c4609a0.jpg?v=1736786838","url":"https:\/\/www.mauripro.com\/collections\/selden-blocks-single-blocks.oembed?page=3","provider":"MAURIPRO","version":"1.0","type":"link"}