623 624 625 626 627 628 ZZ Deep Groove Ball Bearing Double-Metal Seal Bearings Pre-Lubricated and Stable Performance Miniature

About this item

• 1. The sealed metal protective cover on both sides of the bearing can effectively prevent dust and debris from entering.

• 2. The bearing is coated with a thin layer of lubricant to protect the lubricating grease from loss, reduce the noise of the bearing to ensure the normal operation, and it is normal to have a little stickiness when receiving the product.

• 3. Single-row centripetal ball bearings bear axial and radial loads, and the inner shaft is fixed without loosening.

• 4. With a grease lubrication limit of 34,000 RPM, this lubricant coated bearing reduces your replacement frequency and maintenance costs.

• 5. If you have any questions after purchase, please contact us in time, we will give you quality service as soon as possible!