40 mm Ball Bearing Blocks (BBB 40) – Seldén Mast Inc

This store contains Seldén's Yacht range and ships to the contiguous USA only. For anything else, please select another store.

This store ships Seldén's Yacht range to the contiguous USA only. For Dinghy products or delivery elsewhere, please select another store.

Stainless steel ball bearing races, stainless steel ball bearings and glass fibre reinforced sheave for best bearing strength even under high dynamic loads.
Acetal bearing cage to prevent ball-to-ball friction and to reduce weight.
Glass fibre reinforced composite.
An insert washer between the block and the shackle is used to locate the shackle at 0° or 90°. When removed the shackle spins freely.

Learn more about Seldén Ball Bearing Blocks