BK72 Pulley 1-3/8" Bore BK120 Pulley the 6219 bearing features raceways

the 6219 bearing features raceways that are precision honed to a superb finish

5202 Bearing Dimensions

This 41BS112 sprocket features a 1-7/16" finished bore including a key-way and two setscrews

What sets this 6836 bearing apart from others is the ABEC 3 precision standard that this bearing is made to

BK72 Pulley 1-3/8" Bore BK120 Pulley the 6219 bearing features racewaysThis BK72 Pulley 1 3 8" 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