L075H Insert | L075H Coupling Insert - L075H Spider (Hytrel) #160 A-Plate Sprockets you identify the chain pitch

you identify the chain pitch to confirm that you are using this on a #180 roller chain

D50CTB76 sprockets are made to accept a 2517 size taper bushing which we also stock with a wide range of bore sizes

and sleeves

Dimension (e): 3-35/64"

L075H Insert | L075H Coupling Insert - L075H Spider (Hytrel) #160 A-Plate Sprockets you identify the chain pitchL075H insert is a Hytrel jaw coupling insert with fair flexibility and hard torsional stiffness. L075H inserts are also called L075H spiders and are used within L075 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 L075H coupling insert is made from high quality Hytrel, which is a thermoplastic polyester elastomer material that is