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Sprocket Weight: 26
Something else that is notable about this 06B25 sprocket is that it fully meets all ISO Standards
10B39 sprockets with a stock bore comes with the standard 20 millimeter inside diameter hole with no key-way or set screws and can be easily machine bored to custom sizes
50BS43 1 3/8" Finished Bore Sprocket Dimensions
SALF206-20 Bearing Dimensions
BK55 Pulley 1/2" Bore 80B33 Sprockets Sprocket Weight: 26This BK55 Pulley 1 2" bore is directly interchangeable with other manufacturers, is 5. 25" 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 BK55 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
