BK27 Pulley 1/2" Bore 1.75" Finished Bore This BK55 Pulley 5/8" bore

This BK55 Pulley 5/8" bore is directly interchangeable with other manufacturers

Our CSA210-30 bearing is made to industry standards dimensionally for direct interchangeability with just about any brand

UCFT210 Bearing Dimensions

80A50 sprockets with a stock bore comes with a 1-1/4" inside diameter plain hole and can be easily machine bored to custom sizes

This 50BS59 sprocket features a 1-3/8" finished bore including a key-way and two setscrews

BK27 Pulley 1/2" Bore 1.75" Finished Bore This BK55 Pulley 5/8" boreThis BK27 Pulley 1 2" bore is directly interchangeable with other manufacturers, is 2. 70" 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 BK27 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