BK45 V-Belt Pulley 7/8" Bore 4.25" Diameter Pulley 50B27 Sprockets 40B55 sprockets with a stock

40B55 sprockets with a stock bore comes with the standard 3/4" inside diameter hole with no keyway or setscrews and can be easily machine bored to custom sizes

40BTB34 sprockets are made to accept a 1610 size taper bushing which we also stock with a wide range of bore sizes

Sprocket Size: 140J40

For more information on a four groove 45V1400E sheave

BK45 V-Belt Pulley 7/8" Bore 4.25" Diameter Pulley 50B27 Sprockets 40B55 sprockets with a stockThis BK45 Pulley 7 8" bore is directly interchangeable with other manufacturers, is 4. 25" 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 BK45 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