Ball bearing swivel bases feature dual rows of Delrin® ball bearings that swivel freely even underhigh loads. Bases include stand-up springs and a U-adaptor to accept a variety of appropriate blocks. The 144 is the standard configuration with a tall arm. It is ideal for mounting in the cockpit or for use on larger keelboats and small offshore boats that use 3.00 in (76 mm) plastic blocks.
Delrin® is a registered trademark of E. I. du Pont de Nemours and Company or its affiliates.
|Height||5 3/4 in||146 mm|
|Weight||13 oz||369 g|
|Minimum line Ø||1/8 in||3 mm|
|Maximum line Ø||1/2 in||12 mm|
|Fastener spacing||3/4 in||19 mm|
|Fasteners||#10 FH in||5 FH mm|