4B250R

This 4B’S sheave uses R 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: 4B250R
• Bushing Type Needed: R1
• Pitch Diameter (A/ 4L): 24.5″
• Pitch Diameter (B/ 5L): 25.0″
• Outside Diameter: 25.35″
• Inside Diameter: 23-1/2″
• Type: 13
• Overall Width (O.L.): 3-25/32″
• Dimension (L): 2-7/8″
• Dimension (P): 1/4″
• Dimension (C): 5/8″
• Dimension (H): 5-3/8″
• Dimension (F): 3-1/4″
• Dimension (G): 7/8″
• Dimension (X): 2″
• Dimension (E): 9/32″