BK57 Pulley 5/8" Bore 1600 Series Deep Groove Ball Bearings Our premium 04B-2 chain showcases

Our premium 04B-2 chain showcases high-precision parts that have been heat-treated and shot-peened for best-in-class performance and chain life

Dynamic Load Rating (LBS): 7

Housing #: TPP207-22

Common Interchanges: 40BS31H

40B60 sprockets with a stock bore comes with the standard 3/4" inside diameter hole with no keyway or setscrews and can be easily machine bored to custom sizes

BK57 Pulley 5/8" Bore 1600 Series Deep Groove Ball Bearings Our premium 04B-2 chain showcasesThis BK57 Pulley 5 8" bore is directly interchangeable with other manufacturers, is 5. 45" 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 BK57 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