This 50BS34 sprocket features a 1-15/16" finished bore including a key-way and two setscrews
This 60Q70 sprocket is a durable
50A80 sprockets with a stock bore comes with a 15/16" inside diameter plain hole and can be easily machine bored to custom sizes
SAR206-17 Bearing Dimensions
Sprocket Size: 41SH28
BK190 Pulley 1-1/4" Bore 41B40 Sprockets This 50BS34 sprocket features aThis BK190 Pulley 1 1 4" bore is directly interchangeable with other manufacturers, is 18. 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 BK190 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