L150H Insert | L150H Coupling Insert - L150H Spider (Hytrel) 81XHH Roller Chain This 80BS55 sprocket features a

This 80BS55 sprocket features a 1-1/2" finished bore including a key-way and two setscrews

41BTB72 sprockets are made to accept a 1610 size taper bushing which we also stock with a wide range of bore sizes

HCTB201-8 bearing is a 1/2" bore tapped-base normal-duty mounted bearing unit that utilizes an eccentric locking collar for securing onto a 1/2" shaft

50BS60 1 15/16" Finished Bore Sprocket Dimensions

Housing Number: FCS 209

L150H Insert | L150H Coupling Insert - L150H Spider (Hytrel) 81XHH Roller Chain This 80BS55 sprocket features aL150H insert is a Hytrel jaw coupling insert with fair flexibility and hard torsional stiffness. L150H inserts are also called L150H spiders and are used within L150 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 L150H coupling insert is made from high quality Hytrel, which is a thermoplastic polyester elastomer material that is