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Ronstan Series 125 RB Block, Single Upright Lead

Ronstan Series 125 RB Block, Single Upright Lead

Product Details

    Technical Description

    Imperial Metric
    Sheave Dia. 5" 125 mm
    Max. Rope Dia. 5/8" 16 mm
    Fastener Dia. 3/8" + 5/16" 10 mm + 8 mm
    Maximum Working Load 8270 lb 3750 kg
    Breaking Load 16530 lb 7500 kg
    Weight 27.4 oz 777 g

    Product Description

    The self-contained alloy sheave packages provide reliable, low-friction performance at high loads. The high axial loads are carried by Torlon® roller needle bearings, while side thrust loads are taken up by Acetal ball bearings. Block sheeve and cheeks ar.

    • Alloy sheave and housing.
    • Torlon® needle rollers.
    • Black carbon Acetal ball bearings.

    Typically used for halyards at the mast base.

    Part Number: RF128171

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