We’re not a fan of limitations at Superior. That’s why we always seek to engineer products that fit the special requirements of each of our customers. We manufacture Specialty Pulleys including Spiral Wings, Spiral Drums, Beater Bars, Deflection Wheels, Dead Shaft Pulleys, and Elevator Pulleys. Our experienced sales team will work with you to find and select the right pulleys that will help you reach your operation’s goals. You also have options when it comes to pulley hub and bushing systems. You can choose XT Bushings, designed specifically for pulley applications with two hubs or QD Bushings for one hub applications such as sheaves and sprockets. Additional options include a Keyless Locking Device with high torque capability or Taper-Lock Bushings that fit flush into taper-lock sprockets and pulleys.  

Product Range

Description CEMA DUTY Mine Duty 1.5 Mine Duty 2.0 Super Duty Core Systems Design
Wing Pulleys Wing Wing Wing
Drum Pulleys Drum Drum Drum Drum Drum
Chevron® Pulley Chevron Chevron Chevron
Conveyor Type Light duty, portable Medium duty Heavy duty Extra heavy duty High tonnage
Belt Style Fabric Fabric Fabric Fabric Steel cable or fabric
Belt Burden Not started under load Under moderate load Started under full load Started under full load Started under full load
Starts and Stops Infrequent Moderate Frequent Frequent Frequent
Load/Feed Characteristics Uniformly loaded Uniformly loaded Non-uniformly loaded Non-uniformly loaded Non-uniformly loaded
Design Standards Load, dimensions, and crown defined by ANSI B105.1 Roughly 1.5X service factor of CEMA standard Roughly 2.0X service factor of CEMA standard Exceeds 2.0X service factor of CEMA standard Engineered class, FEA Analysis Design, construction based on belt tension, conveyor load, and belt wrap