Frame Opening (A): 3-13/16"
Our CSB205-15 bearing is made to industry standards dimensionally for direct interchangeability with just about any brand
Our superior UCF207-22 bearing with a 1-3/8" bore is equipped with a premium C3 precision insert bearing housed within a high-strength solid-base cast-iron housing
Recommended Maximum Bore: 1-7/8"
Sprocket Size: 100Q24
BK55H Pulley single-groove 5.25" OD 8-Tooth Sprocket Frame Opening (A): 3-13/16"This BK55H Pulley uses an H Series Bushing, is directly interchangeable with other manufacturers, is 5. 25" 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, and BB belts. What separates this BK55H 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 grade 35