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40B112 sprockets with a stock bore comes with the standard 1" inside diameter hole with no keyway or setscrews and can be easily machine bored to custom sizes
This 40BS96 sprocket features a 1-7/16" finished bore including a key-way and two setscrews
Plate Thickness (T): 8
Our UCTB207-22 bearings are manufactured to industry standard dimensions
AL1244 Leaf Chain is manufactured to ANSI (American) standards and is apart of the AL Series of leaf chains
BK70 Pulley 3/4" Bore #60 A-Plate Stainless Steel Sprockets 40B112 sprockets with a stockThis BK70 Pulley 3 4" bore is directly interchangeable with other manufacturers, is 6. 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 BK70 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
