40SH33 Sprocket (QD Type) Hex Shaft Coupler SB209-28 bearing is a light-duty

SB209-28 bearing is a light-duty ball bearing insert made to C3 precision standards and utilizes set-screws to secure to a 1-3/4" shaft

Setscrew Used: M5x0

40B29 sprockets with a stock bore comes with the standard 5/8" ID hole with no keyway or set screws and can be easily machine bored to custom sizes

Bearing Size: 6904-ZZ

Dimension (W): 171

40SH33 Sprocket (QD Type) Hex Shaft Coupler SB209-28 bearing is a light-dutyThis 40SH33 sprocket is a durable, high quality, and precision sprocket that is manufactured to accept an SH bushing. Something that is notable about this sprocket is that it fully meets all ANSI Standards, which insures proper contact between the #40 roller chain and sprocket which prevents premature wear or breakage and, this means that it will directly interchange with most other manufactures sprockets. This sprocket is also black oxide coated thus