The bearing 6002z:
Brand:HOLRIS
Size:12*28*8mm
Weight:0.021kg
1.Seal form: open style, Z, ZZ, RS, 2RS, 2RZ
2.Bearing stop ring: N,NR
3.Class of precision: ABEC-1, ABEC-3, ABEC-5, ABEC-7
4.Vibration rank: V1, V2, V3, V4
5.Noise rank: Z1,Z2,Z3,Z465.
6.Internal elimination code: C0, C2, C3, C4, C5
7.Bearing material: bearing steel (9Cr18), stainless steel(AISI440C, AISI304, AISI316), ceramics
8.Keeper: stainless steel, PTFE, nylon
9.Bearing ferrule and ball hardness: 59 - 63HRCExplanation:
6000 series bearings 6000-6010-6020-6030
6100 series bearings 6100-6110-6120-6130
6200 series bearings 6200-6210-6220
6300series 6300-6310-6320-6330 BEARINGS
6400series 6403-6410-6414-6418-6422
606,607,608,609,6000,6001,6002.6004.6006







