While the phosphate coated and then painted finish adds corrosion resistance to the 2BK140 pulley
the base material of our 80B56 sprocket is 1045-carbon steel
Limiting Speed (2RS): 3600 RPM
Outside Diameter: 52
and precision 60 tooth sprocket that is manufactured to accept a S1 bushing
BK34 Pulley 7/8" Bore - 3.55" V-Belt Pulley filter_H50BS72 While the phosphate coated andThis BK34 Pulley 7 8" bore is directly interchangeable with other manufacturers, is 3. 55" 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 BK34 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