L100N Insert | L100N Coupling Insert - L100N Spider (Buna) #80 E Type Sprockets Length Thru Bore: 4-1/8"

Length Thru Bore: 4-1/8"

Grease Limiting Speed: 15000 RPM

This 2AK39 Pulley 1" bore is directly interchangeable with other manufacturers

and precision double sprocket with 76 teeth that is manufactured to accept a R1 bushing

SSUCTPTB207-21 bearings utilize two strategically placed set-screws for securing a 1-5/16" shaft

L100N Insert | L100N Coupling Insert - L100N Spider (Buna) #80 E Type Sprockets Length Thru Bore: 4-1/8"L100N insert is a buna jaw coupling insert with excellent flexibility and full soft torsional stiffness. L100N inserts are also commonly called an L100N spider 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 L100N coupling insert is made from high quality NBR synthetic black rubber. The material can operate in