UCFT205-14 bearing is a 7/8" bore two-bolt normal-duty flange bearing that utilizes set screws to secure to a 7/8" shaft
What separates this 2TB34 pulley from the others is that it is made using a high grade-35 cast iron
SA207-21 Bearing Dimensions
2AK30 Pulley 3/4" Dimensions
3TB38 Sheave three-groove 4.15" OD 100B22 Sprockets UCFT205-14 bearing is a 7/8"This 3TB38 Pulley uses a P1 Series Bushing, is directly interchangeable with other manufacturers, is 4. 15" 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 3TB38 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