06B25H sprockets with a stock bore comes with the standard 12 millimeter inside diameter hole with no key-way or set screws and can be easily machine bored to custom sizes
12B A1 Attachment Dimensions
UE209-27 bearing is a normal-duty ball bearing insert made to C3 precision standards and utilizes a Tru-Loc device for securing a 1-11/16" shaft
6208-2RS Ball Bearing Dimensions
Dimension (X): 3-3/16"
2525 Taper Lock Bushing X 2-3/16" Bore 6" Stock Bore 06B25H sprockets with a stockThis 2525 taper lock bushing is a high quality, durable, and dependable product that has been precisely manufactured to out last and out perform the competition. 2525 taper lock bushings are used in a wide range of applications including; belt pulleys, sprockets, drum pulleys, drive pulleys, tail pulleys, sheaves, and gears, which are items that we also offer! Additionally this bushing features a 2 3 16" bore with a standard keyway, for more