20pcs U624ZZ Deep Groove Guide Bearing 4mmx13mmx7mm Pulley Wheel Bearings Fitness Equipment

Label:Yes Item: Ball Bearings Number of Pack: 20Pcs Inner Race/Outer Race Material: Carbon Steel Noise Level: Z1 Inner Diameter (d): 4mm Cage Material: Stamping Steel Shielded Type: Double Shielded Outer Diameter (D): 13mm Thickness (B): 7mm Model: U624ZZ 100% Brand new and high quality 1. Single-row, pre-lubricated, normal accuracy, low noise, and smooth. ABEC Tolerance 1 (P0), Z1 Noise Level for most general use. 2. U624ZZ bearings are shielded on both sides to keep lubricant in. With small friction and high-limit speed, these groove pulley bearings are cost-effective and require little maintenance. 3. These cost-effective bearings used in areas with low requirements for Mohs hardness. 4. Suitable for furniture hardware accessories, mobile doors, glass sliding doors, aluminum doors and windows, pulleys and drawers, 3d printers, etc.

Package Includes: 20 x Deep Groove Guide Bearings

Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.