L100U Insert | L100U Coupling Insert - L100U Spider (Urethane) 35B13 Sprockets 40BS25 1-3/16" Finished Bore Sprocket

40BS25 1-3/16" Finished Bore Sprocket Dimensions:

large quantities

Dimension (S1): 2-3/8"

Part #: 16B K1

This AK94 Pulley 15/16" bore is directly interchangeable with other manufacturers

L100U Insert | L100U Coupling Insert - L100U Spider (Urethane) 35B13 Sprockets 40BS25 1-3/16" Finished Bore SprocketL100U insert is a Urethane jaw coupling insert with good flexibility and medium soft torsional stiffness. L100U inserts are also called L100U spiders and are used within L100 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 L100U coupling insert is made from high quality Urethane, which is a polyurethane material that is orange in