25B28 sprockets with a stock bore comes with the standard 3/8" ID hole with no keyway or set screws and can be easily machine bored to custom sizes
Common Interchanges: 50BS31H
Dimension (i): 21/32"
What separates this 3C95E sheave from the others is that it is made using a high strength cast iron
Pitch Diameter (B/ 5L): 30
BK60 Pulley 5/8" Bore 41B9 Sprockets 25B28 sprockets with a stockThis BK60 Pulley 5 8" bore is directly interchangeable with other manufacturers, is 5. 75" 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 BK60 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