... ,691-699,6900-6968,62200,62300,R,series and so on. deep groove ball bearing 1)the miniature ball bearings are widely ... ,691-699,6900-6968,62200,62300,R,series and so on.4) Tolerance: ABEC-1 ~ ABEC-5 5) The radial internal ... available7) Seal: open, Z, ZZ, RS, 2RS8) Different sizes available deep groove ball bearing