Description
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 (mm)146 mm
Weight (g)369 g
Weight (oz)13 oz
Minimum line Ø(mm)3 mm
Minimum line Ø(in)1/8 in
Maximum line Ø(mm)12 mm
Maximum line Ø(in)1/2 in
Fastener spacing (mm)19 mm
Fastener spacing (in) 3/4 in
Fasteners (mm)5 FH mm
Fasteners (in)#10 FH in
Use with57 mm/75 mm/2.25"/3.00"/ratchets
Product Details
We usually dispatch within 2–8 days.
In a hurry? If the item’s in stock, we might be able to send it out the same day — just let us know.
Not the Right Fit? We’ve Got You.
If your boating gear isn’t quite right — in size, fit, or feel — you can return it within 30 days for a full refund or exchange. No stress, no risk.