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: 4B38SD
  • Bushing Type: SD
  • Bore Range: 1/2″ – 2″
  • Type: E
  • Pitch Diameter (B/ 5L): 3.8″
  • Pitch Diameter (A/ 4L): 3.4″
  • Outside Diameter (O.D.): 4.15″
  • Dimension (E): 2-15/32″
  • Dimension (F): 3-1/4″
  • Dimension (L): 1-13/16″
  • Dimension (M): 1-1/32″


Weight 6 lbs


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