belt pulley, V belt pulley AK BK sheave belt sheave,Taper bushing, QD bushing, split bushing, taper lock and lock assembles etc cast iron belt pulley, V belt pulley, AK BK sheave ... , zinc plate5) Material: cast iron, ductile iron, nylon, aluminum6) Made according to drawings and/or samples; OEM inquiries welcomed Timing pulley specifications:1) Models: a ...