This 40BS47 sprocket features a 1-7/16" finished bore including a key-way and two setscrews
What sets this 6319-2RS bearing apart from others is the ABEC 3 precision standard that this bearing is made to
This 80BS24 sprocket features a 1-7/16" finished bore with a key-way and two set screws
100E30 Sprocket Dimensions
This 80BS14 sprocket features a 1-7/8" finished bore with a key-way and two set screws
BK40 Pulley 1" Bore filter_H35BS10 This 40BS47 sprocket features aThis BK40 Pulley 1" bore is directly interchangeable with other manufacturers, is 3. 95" 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 BK40 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