ITEM NAME:6205ZZ 10 x 30 x 9mm Double Shielded Radial Deep Groove Ball Bearing ZZW JEO Descriptio n Specifications: Material: High Carbon Chromium Bearing Steel (Fully Hardened) (GCr15), Cage And Its Material: Bearing Steel Color: Silver Dimensions: Inner Diameter 10 (mm), Outer Diameter 30 (mm), Thickness 9 (mm) Number Of Rolling Body Columns: Single Column Raceway Type: Deep Groove Raceway Use Characteristics: High Speed Sealed Dustproof Form: 2RS Body Type: Ball Rolling Body: Steel Ball Package Included: 2 * Ball Bearings We offer you what you need! 2 Pieces 6205ZZ 10 x 30 x 9mm Double Shielded Radial Deep Groove Ball Bearing.2 Pieces 6205ZZ 10 x 30 x 9mm Double Shielded Radial Deep Groove Ball Bearing. Raceway Type: Deep Groove Raceway. Material: High Carbon Chromium Bearing Steel (Fully Hardened) (GCr15), Cage And Its Material: Bearing Steel.