1/2-inch PP Solid Plastic Balls Precision Bearing Ball 5 Pack

Description:

1. PP plastic (also called polypropylene) is multi-purpose plastic and has established a position as an engineering plastic.
2. Bearing balls are used in applications such as drawer slides, precision bearings, pumps and valves, check valves, flow meters, and measurement instruments that operate in aggressive environments.
3. PP bearing balls are specially useful for makeup bottle, low load bearings, special valves, check valves, flotage valves, fluid level indicators, carburetors, flow meters, laboratory devices.

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: 1/2" (12.7)mm
Tolerance: +/-0.05mm
Material: PP (Polypropylene)
Package Content: 5 Piece