50BS45 High-Performance Sprocket 1-15/16", USA Roller Chain 18-Tooth Sprocket UCFX12-39 bearing is a 2-7/16"

UCFX12-39 bearing is a 2-7/16" bore four-bolt medium-duty flange bearing that utilizes set screws to secure to a 2-7/16" shaft

Weight: 14

Sprocket Size: 100A21

Bearing Size: 623

Datum (5V) Belts: 8

50BS45 High-Performance Sprocket 1-15/16", USA Roller Chain 18-Tooth Sprocket UCFX12-39 bearing is a 2-7/16"This 50BS45 sprocket features a 1 15 16" finished bore including a key way and two setscrews. It is a durable, high quality, and precision sprocket that fully meets all ANSI Standards which insures proper contact between the #50 roller chain and sprocket thus preventing premature wear or breakage. This sprocket is also black oxide coated which increases resistance to the environment and will prevent early rust build up. We also offer stock bore