5. Service guarantee: If you have any questions after purchase, please contact us in time. We will serve you wholeheartedly. 4. Sealed structure: This bearing USES double-sided iron dust cover; Effectively prevent dust and debris from entering; Protect lubricating oil against loss. Reduce bearing noise to ensure normal operation. 3. Scope of application: for small motor, air conditioning, skateboard, roller skates, inline roller skates, scooters and small household appliances. 2. Material characteristics: This product is made of high quality carbon steel. High speed operation, low noise, high temperature resistance and smooth rotation. 1.Specification model: 608ZZ inner diameter: 8mm, outer diameter: 22mm, thickness: 7mm. Each 10pcs bearing is sold in one package.

Compatible Lubricant: Oil. Bearing Type: Ball Bearing. Item Thickness: 7 Millimeters. Material: Alloy Steel. Brand: Cooswai. Best Sellers Rank: See Top 100 in Sports & Outdoors. Country of Origin: China. : B08L8795LS. Manufacturer: None/Brand. Date First Available: October 15, 2020. Item model number: 608-Z. Package Dimensions: 2.7 x 0.8 x 0.7 inches; 3.99 Ounces.