Ball Bearing Block series "BBB" (Ball Bearing Block) for dynamic loads.
Composite ball bearing blocks with stainless steel supports in the load axes. Stainless steel balls with acetal spacers to avoid friction between the steel balls.
Acetal discs
Axles made of high strength stainless steel
Housing made of composite material
Stainless steel balls with acetal spacers
Designation Disc
Ø mm Working load
kg breaking load
kg max. line-
Ø mm Shackle-
Ø mm
BBB40, single sheave with clamp 40 90* 180 7 4
BBB60, single sheave with clamp 60 120* 240 10 5
* Based on the working load of the clamp.
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