50P16H Sprocket (Taper Bushed) 5V Ten-Groove QD Bushed Sheaves What sets this 5312-ZZ bearing

What sets this 5312-ZZ bearing apart from others is the ABEC 3 precision standard that this bearing is made to

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100BS9 1 1/4" Finished Bore Sprocket Dimensions

Sprocket Size: 40H28

This 50BS40 sprocket features a 1-3/8" finished bore including a key-way and two setscrews

50P16H Sprocket (Taper Bushed) 5V Ten-Groove QD Bushed Sheaves What sets this 5312-ZZ bearingThis 50P16H sprocket is a durable, high quality, and precision sprocket with hardened teeth that is manufactured to accept a P1 bushing. Sprockets that have hardened teeth last longer and are much more durable than those that don't. Something else that is notable about this sprocket is that it fully meets all ANSI Standards, which insures proper contact between the #50 roller chain and sprocket which prevents premature wear or breakage. This sprocket