Features: Widespread bearing, economic and standard Easy Installation & Replacement Less Friction, Higher Speeds Reliable & Insulation Specifications: Type: Deep Groove Ball Bearing Model: 6900ZZ 6900Z 61900 1080900 Material: Bearing Steel Closures: Metal Shields Dimensions: 10mm x 22mm x 6mm/Metric ID (Inner diameter)/ Bore: 10mm OD (Outer diameter): 22mm Width/ Height/ Thickness: 6mm Size: 10 x 22 x 6 mm Package Included: 5PCS x Deep Groove Ball Bearings