This 50BS59 sprocket features a 1-3/8" finished bore including a key-way and two setscrews
What separates this 2B5V44 sheave from the others is that it is made using a high strength cast iron
Additionally this bushing features a 2-1/2" bore with a standard keyway
Contact our customer support team for further information or to get a quote on our HCST211 bearings
80A50 sprockets with a stock bore comes with a 1-1/4" inside diameter plain hole and can be easily machine bored to custom sizes
BK27 Pulley 1/2" Bore 1.75" Finished Bore This 50BS59 sprocket features aThis BK27 Pulley 1 2" bore is directly interchangeable with other manufacturers, is 2. 70" 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 BK27 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