UCFX11-36 bearing is a 2-1/4" bore four-bolt medium-duty flange bearing that utilizes set screws to secure to a 2-1/4" shaft
This 2BK25 Pulley 3/4" bore is directly interchangeable with other manufacturers v-belt pulleys
Bearing Insert: UC 210-32
the 16B K2 attachment has a bent tab on both sides with two holes each for mounting
the 6301 bearing features raceways that are precision honed to a superb finish
2BK47H Pulley double-groove 4.45" OD Bearings UCFX11-36 bearing is a 2-1/4"This two groove 2BK47H Pulley uses an H Series Bushing, is directly interchangeable with other manufacturers, is 4. 45" in diameter, and is manufactured in accordance with ARPM Standard IP20 for safe operation. With AK series pulleys you can use A, 4L, B, 5L, AX, BX, AA, BB, and banded belts. What separates this 2BK47H 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.