Part #: SBLF 206-20
120B17H sprockets with a stock bore comes with the standard 1-1/4" inside diameter hole with no keyway or set screws and can be easily machine bored to custom sizes
For more information on a BK77H Pulley
Black tree marking paint has a specific purpose when marking trees or timber
This 50BS28 sprocket featured a 1-1/4" finished bore with a key-way and two set screws
BK80 Pulley 5/8" Bore 1.75" Finished Bore Part #: SBLF 206-20This BK80 Pulley 5 8" bore is directly interchangeable with other manufacturers, is 7. 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 BK80 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