Inner Race/Outer Race Material : PP. Ball Material : Glass. Cage Material : Nylon. 6005（25x47x12）mm 25mm 47mm 12mm. 6004（20x42x12）mm 20mm 42mm 12mm. 6003（17x35x10）mm 17mm 35mm 10mm. 6002（15x32x9）mm 15mm 32mm 9mm.
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