Bore Range: 1-1/2" - 4-1/2"
120B12H sprockets with a stock bore comes with the standard 1-3/8" inside diameter hole with no keyway or set screws and can be easily machine bored to custom sizes
and precision sprocket with 13 hardened teeth
100BS18 1 15/16" Finished Bore Sprocket Dimensions
Each precision component of this 10B SA1 attachment is made from top-quality carbon steel that has been heat-treated for extended working life and durability
1310 Taper Lock Bushing X 1/2" Bore Power Transmission Bore Range: 1-1/2" - 4-1/2"This 1310 taper lock bushing is a high quality, durable, and dependable product that has been precisely manufactured to out last and out perform the competition. 1310 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 1 2" bore with a standard keyway, for more information