Valox® PBT Polyester Radial Ball Bearings

Valox® offers the mechanical performance of Acetal with superior chemical resistance. Valox® polyester resin is a semi-crystalline material based on polybutylene terephthalate (PBT). Valox® resin combines heat and chemical resistance, as well as outstanding electrical properties with exceptionally good process-ability and surface appearance. 


  • Resistance to a variety of chemicals, including hydrocarbons, dilute acids and bases, detergents, and most aqueous salt solutions.
  • Gamma sterilization & Autoclaving capable for Medical applications
  • Good Temperature Performance - Relative temperature index (RTI) up to 284 °F (140 °C), and provides good low-temperature performance to -40°F (-40°C).

The Valox® PBT Polyester resin that makes up the Radial Ball Bearings continually meets the requirements the demanding applications in global industries such as: 

  • Electrical and lighting 
  • Automotive
  • Telecommunication
  • Medical 
  • Food
  • Appliances 
  • Business Machines

Valox® PBT Polyester resin can help make customer applications safe and reliable.

  • Long-term heat resistance
  • Dielectric properties 
  • Chemical resistant 
  • Stiffness and strength 
  • Dimensional stability
  • Creep resistant
  • Impact resistant

Click here for PDF of Manufacturer’s materials specification sheet.

Plastic Vs Steel

Lightweight: Plastic is five times lighter than steel, thereby reducing the weight and energy to move them.

Read all the benefits of Plastic vs Steel Bearings