Variable Pitch 1VP71 Pulley 1-3/8" is designed and engineered in a way that allows for precise adjustments in diameter
HCFJT205 Bearing Dimensions
While the phosphate coated and then painted finish adds corrosion resistance to the 2BK45H pulley
120A36 Sprocket Dimensions
this 16A roller chain is manufactured using heat-treated precision components
45V1130E Sheave four-groove 11.30" OD 1.125" Finished Bore Variable Pitch 1VP71 Pulley 1-3/8"This 45V1130E Sheave uses an E bushing, is directly interchangeable with other manufacturers, is 11. 30" in diameter, and is manufactured in accordance with ARPM Standards for safe operation. With 5V series QD sheaves you can use standard 5V belts, 5VX belts, banded 5V belts, and banded 5XV belts. What separates this 45V1130E sheave from the others is that it is made using a high strength cast iron, is phosphate coated, painted, and balanced at the