Plastic ball
Spheric-Trafalgar
Plastic balls are a cost-effective substitute for metallic balls in low load bearings. They are also used as agitators in aerosol spray cans, lightweight check valves, medical diagnostics and a wide variety of other applications.
Tolerances to +/-0.0005" (+/-0.0125mm) are possible for certain materials such as nylon and acetal. Surfaces can be tailored from rough to highly polished finishes.
The following chart shows comparisons between the five main types.
