This 40BS28 sprocket featured a 1" finished bore with a key-way and two set screws
Bearing Size: 6210
Our UEF211-32 bearing is dimensionally made to industry standards
48V1500F Sheave Dimensions
120B28H sprockets with a stock bore comes with the standard 1-1/2" inside diameter hole with no keyway or set screws and can be easily machine bored to custom sizes
BK80H Pulley single-groove 7.75" OD filter_50BS14-FB This 40BS28 sprocket featured aThis BK80H Pulley uses an H Series Bushing, is directly interchangeable with other manufacturers, is 7. 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 BK80H 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