SUNSKY 300 PCS Car / Motorcycle 8 Specifications High Precision G25 Bearing Steel Ball A4108

Good abrasion resistance, hardness can reach 60-62 (HRC), solid compression, toughness, super precision wear resistance, oily packaging, mirror brightness.

Scope of application: motors, aerospace, civil automobiles, CNC machine tools, mechanical engineering, bicycles, motorcycles, ships and yachts, etc.

Material: bearing steel GCr1

Production process: stamping, annealing, hard grinding, fine grinding and other multiple processes

Surface treatment: polishing, demagnetization, fine grinding