BK40 Pulley 7/8" Bore 3.95" V-Belt Pulley filter_50BS46-FB 120B19H sprockets with a stock

120B19H sprockets with a stock bore comes with the standard 1-1/4" inside diameter hole with no keyway or set screws and can be easily machine bored to custom sizes

This 4TB58 Pulley uses a P1-Series Bushing

6014 Ball Bearing Dimensions

While the phosphate coated and then painted finish adds corrosion resistance to the 68V2120M sheave

BK40 Pulley 7/8" Bore 3.95" V-Belt Pulley filter_50BS46-FB 120B19H sprockets with a stockThis BK40 Pulley 7 8" bore is directly interchangeable with other manufacturers, is 3. 95" in diameter, and is manufactured in accordance with ARPM Standard IP20 for safe operation. It works with belt sizes A, 4L, B, 5L, AX, BX, AA, and BB. What separates this BK40 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 cast iron offers a higher tensile