L099U Insert | L099U Coupling Insert - L099U Spider (Urethane) D40B48 Sprockets Part #: PF211

Part #: PF211

35BS13 5/8" Finished Bore Sprocket Dimensions

This 40BS57 sprocket features a 1-7/16" finished bore including a key-way and two setscrews

and bushings

This 33V3350SF Sheave uses an SF bushing

L099U Insert | L099U Coupling Insert - L099U Spider (Urethane) D40B48 Sprockets Part #: PF211L099U insert is a Urethane jaw coupling insert with good flexibility and medium soft torsional stiffness. L099U inserts are also called L099U spiders and are used within L099 coupling hubs. The insert is the critical component allowing flexibility and is placed between the jaw hubs, preventing metal on metal contact. More specifically, the L099U coupling insert is made from high quality Urethane, which is a polyurethane material that is orange in