Bomco Replacement Sheaves

Replacement Bomco Sheaves & Pulleys

Do you manufacture electrical wire & cable, medical tubing, optical fibers or similar products? eSheaves engineers  & sells a complete line of SX POLYMER  replacement Bomco sheaves and pulleys for processing of linear products. Our Process Sheaves® line of plastic lightweight pulleys for Wire and Cable Manufacturing provides you with high quality products for your production equipment, along with the exceptional service and expert engineering advice you expect from

plastic and aluminum pulleys
plastic pulley


  • Insulated Wire
  • Tubing
  • Synthetic Rope
  • Bright Carbon, Galvanized, and Stainless steel wire 
  • Flat or round wire
  • Copper and copper alloy wires (Brass, Bronze, etc)
  • Small cord or aircraft cable, bare or insulated
  • Low to high speed processing   


Plastic V-Groove Interlocking Sheaves-Metric Bore

Root Dia.Old Bomco NumberODMaximum ProductNominal WidthOAWBearing BoreItem Number

Plastic U-Groove Interlocking Sheaves-Metric Bore

Root Dia.Old Bomco Number ODMaximum ProductNominal WidthOAWBearing BoreItem Number

About SX Polymer

SX Polymer is a new thermoset material that has very good wear and strength characteristics with an operating temperature up to 250º F.

Spacers & Bushings

  • Buna O-Ring Spacers provided at no charge on multiple sheave orders
  • Non-Standard Bearings quoted on request

Custom Sheaves

If none of these standard sheaves meet your requirements, we will work with you to develop new designs or modify existing designs to exactly suit your requirements with short lead times and competitive prices.  Learn More About Custom Process Sheaves

Shop Process Sheaves

Know the size and style of wire and cable processing sheave you need? Visit the eSheaves shop to select from a variety of sizes, materials, and bearing types in stock and ready to ship.   

Additional Products available from Process Sheaves

Stock Wire and Cable Processing Sheaves

Choose from a variety of in stock and existing variations. Perfect for low and high speed applications, and for processing insulated wire, synthetic rope, tubing, wire, cable and other linear products. Sheave materials include Aluminum, Alum-Ceramic, SX Polymer, Cast Nylon, and other plastics. U-Groove, V-Groove, Flat-Groove, and Interlocking styles available in a range of both imperial and metric sizes. Need plastic sheaves? No Problem!

custom plastic cable sheaves

Custom Wire and Cable Processing Sheaves

Replace your discontinued Bomco sheaves with high quality, SX Polymer process sheaves. Exact replacements available in both U-Groove and V-Groove interlocking styles.

light weight plastic sheaves

Wire and Cable Processing Sheave Materials

Process sheaves are available in a wide range of materials to handle any processing application, Abrasive or flexible, flat or round, high speed or low, our pulleys can be made with the exact performance level to meet your requirements. Learn more about the materials used to make our stock and custom wire and cable processing sheaves.

Why Buy from ESheaves?

  • 30 years experience supplying the industry
  • Wide variety of materials to select from
  • Engineering consultation & applications team on staff
  • Quality products and world class service

Ready to Order?

Thousands of items are in stock and ready to ship. Search by product type, material,  part number, or other attrubite and find your sheaves today.

Need a Custom Sheave?

Save hours worth of engineering and take advantage of our extensive knowledge, experience and resources. Talk to our experienced engineers today.

Know your specifications?

Complete our online Quote Request and our engineers will review and respond with a formal quotation. Get a response in 24 hours or less