BK55 Pulley 1/2" Bore 80B33 Sprockets 50BS43 1 3/8" Finished Bore

50BS43 1 3/8" Finished Bore Sprocket Dimensions

Our superior HCST207 bearing with a 12mm bore is equipped with a premium C3 precision insert bearing housed within a high-strength solid cast-iron housing

Something else that is notable about this 06B25 sprocket is that it fully meets all ISO Standards

Sprocket Size: 100A18

BK55 Pulley 1/2" Bore 80B33 Sprockets 50BS43 1 3/8" Finished BoreThis BK55 Pulley 1 2" bore is directly interchangeable with other manufacturers, is 5. 25" 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 BK55 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