Contact our customer support team for further information or to get a quote on our UCHA206 bearings
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
Dynamic Load Rating (LBS): 7
Common Interchanges: 40BS31H
Static Load Rating: 4750 LBS
BK57 Pulley 5/8" Bore 1600 Series Deep Groove Ball Bearings Contact our customer support teamThis 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