L070U Insert | L070U Coupling Insert - L070U Spider (Urethane) Single Strand Straight Sidebar Roller Chain This AK104 Pulley 1-1/4" bore

This AK104 Pulley 1-1/4" bore is directly interchangeable with other manufacturers

Weight For Rim Only: 82lbs

Sheave Weight: 161 LBS

45V590SD Sheave Dimensions

L070U Insert | L070U Coupling Insert - L070U Spider (Urethane) Single Strand Straight Sidebar Roller Chain This AK104 Pulley 1-1/4" boreL070U insert is a Urethane jaw coupling insert with good flexibility and medium soft torsional stiffness. L070U inserts are also called L070U spiders and are used within L070 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 L070U coupling insert is made from high quality Urethane, which is a polyurethane material that is orange in