A unique feature of this precision sprocket is its bore hole
This 60BS53 sprocket features a 1-3/8" finished bore including a key-way and two setscrews
Dynamic Load Rating: 1050 LBS
Weight: 87
50 Poly Steel Chain Dimensions
BK67H Pulley single-groove 6.45" OD filter_H80BS24 A unique feature of thisThis BK67H Pulley uses an H Series Bushing, is directly interchangeable with other manufacturers, is 6. 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, and BB belts. What separates this BK67H 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