BK100H Pulley Single-Groove 9.75" OD Sprocket Type HC205 bearing is a normal-duty

HC205 bearing is a normal-duty ball bearing insert made to C3 precision standards and utilizes an eccentric locking collar for securing a 25mm shaft

50BS20 7/8" Finished Bore Sprocket Dimensions

This 100BS13 sprocket features a 1" finished bore with a key-way and two set screws

This 40BS19 sprocket featured a 1-1/4" finished bore with a key-way and two set screws

BK100H Pulley Single-Groove 9.75" OD Sprocket Type HC205 bearing is a normal-dutyThis BK100H Pulley uses an H Series Bushing, is directly interchangeable with other manufacturers, is 9. 75" in diameter, and is manufactured in accordance with ARPM Standard IP20 for safe operation. With AK series pulleys you can use A, 4L, B, 5L, AX, BX, AA, and BB belts. What separates this BK100H pulley from the others is that it is made using a high grade 35 cast iron, is phosphate coated, painted, and balanced at the factory. Using the grade 35