Cast Iron 3.15" Single Groove V Belt Sheave B Section 7/8" Shaft Pulley BK30-7/8 

This Masterdrive is a high-quality single groove 3.15" V Style cast iron pulley. This pulley is designed to fit a 7/8" keyed shaft and features dual set screws to ensure a completely secure fitting. Most pulleys that are similar to this only have one set screw, making them less reliable in many working conditions. This pulley is designed to be used with B Section belts. (also known as 5L Belts). Please see below for more features and specifications.

Features & Specifications:

• 3.15" Diameter
• Single V Groove
• Fits 7/8" Keyed Shaft
• Features Dual Set Screws
• Belt Series:  5L / B
• Solid Cast Iron Construction
• Secure Reliable Performance