52100 steel ball
1. Material: GB GCr15 (AISI E52100, JIS SUJ2, DIN100Cr6)
2. Grade: G10
3. Diameter: 2.0-6.35mm(0.25 inch)
4.HRC: 62 5.DB: 26-30db
6.VDWS:bellow 0.15um
7.VDWL: bellow 0.20um
The standard complies with the GB308-2002 ISO3290.
They are applied for bearings (deep groove ball bearings, thrust ball bearings, high precision
bearing), exactitude machines, instruments, hardware tools, rails, ball valves, chemicals, solid smash, bicycles, and polishing.
2. Grade: G10
3. Diameter: 2.0-6.35mm(0.25 inch)
4.HRC: 62 5.DB: 26-30db
6.VDWS:bellow 0.15um
7.VDWL: bellow 0.20um
The standard complies with the GB308-2002 ISO3290.
They are applied for bearings (deep groove ball bearings, thrust ball bearings, high precision
bearing), exactitude machines, instruments, hardware tools, rails, ball valves, chemicals, solid smash, bicycles, and polishing.