Pitch Diameter (B/ 5L): 9
This 50BS18 sprocket featured a 1-7/16" finished bore with a key-way and two set screws
For more information on a four groove 48V2120J sheave
SSUCTPFL210-30 Bearing Dimensions
Pulley Size: BK30
BK70 Pulley 15/16" Bore AK41 Pulley Pitch Diameter (B/ 5L): 9This BK70 Pulley 15 16" bore is directly interchangeable with other manufacturers, is 6. 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 BK70 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