UCFC204-12 flange cartridge bearings are designed for circumstances where the bearing is mounted to a surface that is perpendicular to the shaft axis
and precision 70 tooth sprocket that is manufactured to accept a S2 bushing
While the phosphate coated and then painted finish adds corrosion resistance to the 2TB48 pulley
UCP206-17 Bearing Dimensions
This 200B15 sprocket is high quality
43V1900SF Sheave four-groove 19.00" OD #41 B-Hub Sprockets UCFC204-12 flange cartridge bearings areThis 43V1900SF Sheave uses an SF bushing, is directly interchangeable with other manufacturers, is 19. 00" in diameter, and is manufactured in accordance with ARPM Standards for safe operation. With 3V series QD sheaves you can use standard 3V belts, 3VX belts, banded 3V belts, and banded 3VX belts. What separates this 43V1900SF sheave from the others is that it is made using a high strength cast iron, is phosphate coated, painted, and balanced at the