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08B25H sprockets with a stock bore comes with the standard 14 millimeter inside diameter hole with no key-way or set screws and can be easily machine bored to custom sizes
This 50BS58 sprocket features a 1-1/4" finished bore including a key-way and two setscrews
our HCFJT207 bearing has added features that improve the overall life and performance of the unit
50BS20 7/8" Finished Bore Sprocket Dimensions
BK100H Pulley Single-Groove 9.75" OD Sprocket Type 08B25H sprockets with a stockThis 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
