auto wheel bearings, hub units (including generation 2nd and 3rd We sell wheel bearings, hub units (including generation 2nd and 3rd), automotivegenerator bearings and various non-standard bearings.1) Materal used: GCr15—China.(AISI)52100—American,(Din)100Cr6—Germany.2) Shield/closure: open bearing, Z, ZZ, RS, 2RS.3) Vibration and Noise level: Z1, Z2, Z3. ZV2, ZV3, Z2V2, Z3V3.4) Precition level: ...