23/05/2026
HNN BEARING STEEL BALL:
- GCr15-GB/T18254; The material of steel ball is GCr15-GB/T18254
- Geometry and surface quality accord with GB /T308-2002 G10 grade
- 61-66HRC; Hardness:61-66HRC
Smoother operation, lower noise, reduced vibration, and excellent performance in high-speed applications