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stainless steel ball bearings
steel ball bearings
External plastic material is PA66, and the color is black.
The material of the internal and outer rings is carbon steel.
The carbon steel is through the heat treatment; the hardness of the carbon steel can reach HRC58-62. The surface is galvanized.
Precision plastic bearing POM and PA materials with high mechanical strength and wear resistance, suitable for the production of precision plastic bearings, compared the good self-lubricating property and low friction coefficient, the traditional advantage in plastic bearings, on the basis of high precision, and can be applied to the RPM. Among all the plastic polymer bearings POM was widely used in bearing a ball, general and material USES POM or PA, keep using glass fiber reinforced frame of nylon 66 (GRPA66-25) . Ball for glass ball, stainless steel ball bearings, ball, or ceramic such alkaline environment well but not in acid corrosion environments.