693ZZ 20pcs 3x8x4mm Miniature Bearing Money Dot Machine Motor Air Conditioning Fishing Gear Special Bearing

1. High speed, low noise, long life
2. High temperature resistance, high precision, excellent products
3. Bearing rings: including inner ring, outer ring; high-quality steel support, effectively extend the service life of bearings
4. Rolling body: transfer of load between inner and outer rings
5. Cage: reduce friction heat, optimize load, easy to disassemble
6. Integral seal: greatly extend the service life of the bearing, the lubricant will be retained in the bearing to keep out pollutants
7. Metal sealed bearings: good speed, high temperature resistance, suitable for high-speed operation
8. Sealing bearings with rubber cover: good dustproof effect, suitable for use in harsh environment, dustproof and waterproof
9. Open type unsealed bearing: good speed, quiet, suitable for closed mechanical interior
10. Inner diameter: 3mm
11. Outside diameter: 8mm
12. Width: 3mm
13. Accuracy class: P0
14. Cage and materials: J steel plate stamping
15. The standard number: GBT / 276-2013
16. Cr：560
17. Cor：179
18. Grease lubrication speed: 60
19. Lubrication speed: 67
20. Weight: 0.8g