This 4B’S sheave uses SD QD bushing, is directly interchangeable with other manufacturers and is manufactured in accordance with ARPM Standard for safe operation. it is made using a high strength cast iron, is phosphate coated, painted, and balanced at the factory. Using the high-strength cast iron grade that we do offers a higher tensile strength and is more wear resistant than the more commonly used grades.
- Size: 4B64SD
- Bushing Type: SD
- Bore Range: 1/2″ – 2″
- Type: A
- Pitch Diameter (B/ 5L): 6.4″
- Pitch Diameter (A/ 4L): 6.0″
- Outside Diameter (O.D.): 6.75″
- Dimension (E): 21/32″
- Dimension (F): 3-1/4″
- Dimension (L): 1-13/16″
- Dimension (M): 25/32″
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