BK120 Pulley 1-3/8" Bore 4012 Coupling Half Sprockets the 6217-2RS bearing features raceways

the 6217-2RS bearing features raceways that are precision honed to a superb finish

Bearing Unit Part #: CSA730MFM205-16

3TB50 Pulley Dimensions

This 41BS27 sprocket featured a 1" finished bore with a key-way and two set screws

Pitch Diameter: "

BK120 Pulley 1-3/8" Bore 4012 Coupling Half Sprockets the 6217-2RS bearing features racewaysThis BK120 Pulley 1 3 8" bore is directly interchangeable with other manufacturers, is 11. 75" 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 BK120 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