UCW201 Insert Bearing | 12mm Insert Bearing 0.625" Stock Bore What sets this 5209-2RS bearing

What sets this 5209-2RS bearing apart from others is the ABEC 3 precision standard that this bearing is made to

What separates this 10C90J sheave from the others is that it is made using a high strength cast iron

Sprocket Weight: 54

Size: 1B154SK

Tooth Count: 33

UCW201 Insert Bearing | 12mm Insert Bearing 0.625" Stock Bore What sets this 5209-2RS bearingUCW201 bearing is a normal duty ball bearing insert made to C3 precision standards and utilises set screws for securing a 12mm shaft. Our UCW201 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 UCW201 bearing is made to industry standards dimensionally for direct interchangeability with