... pollution 3.Angular shape mor sharp bearing steel grit1. Production specification: G10,G12, G14, G16, G18, G25, G40, G50, ... metallographic structure, uniform hardness, long anti-fatigue life, and high impact and wearing resistance, etc. This allows it to be recycled ... of electrical machines, extend the service time of equipment, and operator and workers’ health. angular bearing steel grit used for ...