For low-load footblocks, you'll want composite sheaves and friction cams. For high load, alloy sheaves and spring cams. The jammer holding load is no more than 300 kg / 660 lb. Be sure you don't load the upper sheave beyond 60% of the Safe Working Load.
Sheaves run on Torlon rollers with dual Delrin ball side thrust races. Alloy sheaves, alloy bayonet cheeks for simply servicing. Safe working loads are quoted for the whole assembly.
Our Part # LEW29906821 | Mfr. Part # 29906821
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