Bearing steel ball 1) High hardness 2) Good wear-Resistance 3) No breaking 4) No mal-roundnes Specifications

Bearing steel ball,7.938mm~~25.4mm Material: GB GCr15(AISI E52100, JIS SUJ2, DIN 100Cr6)

Diameter(mm):7.938
Grade:G10
ball diameter variation:(not over)0.25μm
deviation from spherical from :(not over)0.25μm
surface soughness : (not over)0.025μm
lot diameter variation :(not over)0.5μm
guages interval:1
preferred guages :-9,...-1,0,+1,...+9
subguage interval :0.2
subguages :-0.4,0.2,0+0.2,+0.4
Per 10000 pcs:20.4kg
No.of ball per kg :about490
Technical Conditions of Vibration:Z3

Bearing steel ball