Bearing Part #: SSUCTPTB206-17
long-term performance
This BK70 Pulley 1" bore is directly interchangeable with other manufacturers
Our HC207-23 insert bearing has several features: a wide inner-ring
140R18 Sprocket Dimensions
BK47 Pulley 5/8" Bore 2AK22 Pulley Bearing Part #: SSUCTPTB206-17This BK47 Pulley 5 8" bore is directly interchangeable with other manufacturers, is 4. 45" in diameter, and is manufactured in accordance with ARPM Standard IP20 for safe operation. It works with belt sizes A, 4L, B, 5L, AX, BX, AA, and BB. What separates this BK47 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 cast iron offers a higher tensile