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What sets this 5311-2RS bearing apart from others is the ABEC 3 precision standard that this bearing is made to
BK130 Pulley 1-3/16" Dimensions
Discover the difference today when you choose our genuine tier-one 80B39 sprockets or one of our premium roller chain products
our UCFA201-8 bearing is directly interchangeable with other brands
BK72 Pulley 3/4" Bore 35B27 Sprockets What sets this 5311-2RS bearingThis BK72 Pulley 3 4" bore is directly interchangeable with other manufacturers, is 6. 95" 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 BK72 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
