This 41BS20 sprocket featured a 3/4" finished bore with a key-way and two set screws
This 60A112 sprocket is a durable
HCTB201 Bearing Dimensions
BK30 Pulley 5/8" Dimensions
2BK34H Pulley Dimensions
BK110 Pulley 1-7/16" Bore 1VP25 Pulley This 41BS20 sprocket featured aThis BK110 Pulley 1 7 16" bore is directly interchangeable with other manufacturers, is 10. 75" 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 BK110 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