Ball bearing blocks are used where the loads are more moderate and dynamic.
The ball bearings provide for good sheave rotation with the lowest possible friction. Available in 20, 30, 40 and 60 mm sheave diameters.
Technical features (BBB 30 / 40)
- Cheeks with composite 50/50 glass fibre/polyamide
- Stainless steel races
- Acetal ball bearing cages
- Stainless steel balls
Big bearing diameter - less friction