Why use Engineering Plastic Bearings and Bushes?

Three common types of bearings and bushes used in engineering and industrial applications are illustrated here.

Top 5 reasons why Plastic Bearings or Bushes are used in engineering and industrial are:

Eliminating lubricants.
They tolerate dirty and dusty environments.
Lower friction than bronze.
Reduced wear on the counter-face compared to bronze.
Longer service life vs bronze

Other reasons include light weight, chemical resistance, reduced cost, vibration dampening & insulation (electrical and thermal).

Types of Engineering Plastic Bearings & Bushes

Design & Selection Criteria

Dotmar has qualified engineers that can help design bearings and select the most appropriate material.

The following information is required:

Load
Speed
Duration of operation
Size
Conditions – Abrasive, dry or wet etc

Other requirements that can be designed for are:

Food contact
Metal detectable, as well as blue Visual detectable and X-Ray detectable
FRAS – Fire retardant and Anti-static
Chemical resistance
Lubrication

Example of a Split Bearing & a Wear Pad