SER209-28 Insert Bearing | 1-3/4" Insert Bearing With Snap Ring 12-Tooth Sprocket This 100BS21 sprocket features a

This 100BS21 sprocket features a 2-15/16" finished bore with a key-way and two set screws

Something else that is notable about this 06B21 sprocket is that it fully meets all ISO Standards

Our SA207-20 bearing is made to industry standards dimensionally for direct interchangeability with just about any brand

HCST206-18 take-up bearings are designed for take-up frames

Shaft Diameter (d): 1-1/16"

SER209-28 Insert Bearing | 1-3/4" Insert Bearing With Snap Ring 12-Tooth Sprocket This 100BS21 sprocket features aSER209 28 bearing is a normal duty ball bearing insert with a snap ring made to C3 precision standards and utilizes set screws to secure to a 1 3 4" shaft. Our SER209 28 insert bearing has several features: a wide inner ring, steel retainer, anti rotation device, and an inner ring and outer ring made from bearing grade steel to produce a high quality and long lasting bearing. Our SER209 28 bearing is made to industry standards dimensionally for direct