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Something that is notable about this 10B39 sprocket is that it fully meets all ISO Standards
Shaft Diameter (d): 1-1/2"
Recommended Maximum Bore: 4"
50BS43 1 1/8" Finished Bore Sprocket Dimensions
50BS17 5/8" Finished Bore Sprocket Dimensions
BK34H Pulley single-groove 3.55" OD 100B23 Sprockets Something that is notable aboutThis BK34H Pulley uses an H Series Bushing, is directly interchangeable with other manufacturers, is 3. 55" in diameter, and is manufactured in accordance with ARPM Standard IP20 for safe operation. With AK series pulleys you can use A, 4L, B, 5L, AX, BX, AA, and BB belts. What separates this BK34H 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
