35B72 Sprocket With Stock Bore 100B39 Sprockets CSB210-30 bearing is a light-duty

CSB210-30 bearing is a light-duty ball bearing insert made to C3 precision standards and utilizes set-screws to secure to a 1-7/8" shaft

Sprocket Size: 140M80

Dimension (B): 60

UCW201-8 bearing is a normal-duty ball bearing insert made to C3 precision standards and utilizes set screws for securing a 1/2" shaft

Dimension (Bi) :42

35B72 Sprocket With Stock Bore 100B39 Sprockets CSB210-30 bearing is a light-dutyThis 35B72 sprocket is a durable, premium quality, and precision sprocket that is manufactured out of high quality steel. This sprocket is manufactured for optimum performance, durability, and to strict quality control standards. Something else that is notable about this sprocket is that it fully meets all ANSI Standards, which insures proper contact between the #35 roller chain and sprocket which prevents premature wear or breakage. It is also black