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Ships within 48 hours · Estimated delivery Aug 13 - Aug 18
Our premium 04B-2 chain showcases high-precision parts that have been heat-treated and shot-peened for best-in-class performance and chain life
Common Interchanges: 40BS31H
SBPFL205-14 Bearing Dimensions
and precision sprocket with 27 hardened teeth
BK57 Pulley 5/8" Bore 1600 Series Deep Groove Ball Bearings Our premium 04B-2 chain showcasesThis 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
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