What separates this 2BK50H pulley from the others is that it is made using a high grade-35 cast iron
Bearing Insert: UC 209-26
our HCTB206 bearing has added features that improve the overall life and performance of the unit
2BK60 Pulley 1-1/8" Dimensions
Our HCFJT210-32 bearing is dimensionally made to industry standards
45V630SK Sheave four-groove 6.30" OD #40 Weld-On Hub Sprockets What separates this 2BK50H pulleyThis 45V630SK Sheave uses an SK bushing, is directly interchangeable with other manufacturers, is 6. 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 45V630SK sheave from the others is that it is made using a high strength cast iron, is phosphate coated, painted, and balanced at the