7mm POM Coin Ring Making Balls Plastic Bearing Ball 10 Pack

Description:

1. POM plastic (also called Polyformaldehyde) is a tough material with a low coefficient of friction and high abrasion resistance.
2. Excellent wear-resisting and self-lubricating than any other engineering plastics, pom balls are suit to working between -40℃ to 130℃ for long time.
3. Used in applications such as drawer slides, precision bearings, pumps and valves, check valves, flow meters, and measurement instruments that operate in aggressive environments.
4. Specially useful for casters, drawer slides, door locks and many other applications.

Suitable for a range of purposes, some of the most common are listed below:
1/8" is often used for clusters and old English-style headsets
1/4" is often used for rear wheels and bottom brackets
3/16" is often used for front wheels
5/32" is often used for headsets with pressing cups

Specification:
Size: 7mm
Tolerance: +/-0.05mm
Material: Polyoxy-Methylene (POM, Acetal, Polyacetal and Polyformaldehyde)
Package Content: 10 Piece