Shop / Hoist Parts / 4 Post Sheave “Challenger 8-1/2″ Bearing” has been added to your cart. View cart 4 Post Sheave$163.75 In stock 4 Post Sheave quantity Add to cart SKU: TH-2-0557 Category: Hoist Parts Related products Din Connector 220V RAC Plug $346.00 Add to cart Overhead Hose $351.50 Add to cart Buttonhead Screw 10×16 $23.18 Add to cart Rotary 6-1/2″ Bronze & TFE Bearing Ring $201.44 Add to cart