L150H Insert | L150H Coupling Insert - L150H Spider (Hytrel) 81XHH Roller Chain The L099 coupling half with

The L099 coupling half with a 1-3/16" bore with a key-way is also commonly called an L099 coupling hub

Outside diameter: 11

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

40SK96 sprockets are manufactured to accept a SK type QD bushing which

L150H Insert | L150H Coupling Insert - L150H Spider (Hytrel) 81XHH Roller Chain The L099 coupling half withL150H 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