While the phosphate coated and then painted finish adds corrosion resistance to the 35V800SF sheave
UCST206-18 Take-Up Bearing Dimensions
This 2BK52 Pulley 1-3/8" bore is directly interchangeable with other manufacturers v-belt pulleys
Dynamic Load Rating: 3580 LBS
3TB44 Sheave three-groove 4.75" OD 0.59375" Stock Bore While the phosphate coated andThis 3TB44 Pulley uses a P1 Series Bushing, is directly interchangeable with other manufacturers, is 4. 75" in diameter, and is manufactured in accordance with ARPM Standard for safe operation. With B series TB pulleys you can use A, 4L, B, 5L, AX, BX, AA, and BB belts. What separates this three groove 3TB44 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