Selden 30mm Triple Block
Selden ball bearing block 30mm triple loop head.
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.
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.
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