20pcs 5x10x4mm Miniature Silent Bearings For High-Speed Gear Machinery And Equipment, MR105ZZ 5x10x4mm

1. High speed, low noise, long life
2. High temperature resistance, high precision, excellent products
3. Bearing ring: contains inner ring and outer ring; high quality steel support, high efficiency to extend bearing life
4. Rolling body: transfer the load between inner and outer ring
5. Cage: reduce friction heat, optimize the load, easy to disassemble
6. Integral seal: significantly extend the bearing life, retain the lubricant in the bearing to keep contaminants out of the door
7. Metal sealed bearings: good speed, high temperature resistance, suitable for high-speed operation
8. Rubber sealed bearings: good dustproof effect, suitable for use in harsh environments, dustproof and waterproof
9. Open type non-sealed bearing: good speed, silent, suitable for closed machinery inside
10. Inner diameter: 5mm
11. outer diameter: 10mm
12. width: 4mm
13. Precision grade: P0
14. Cage and material: J steel plate stamping
15. Standard number: GB/T307.1-2005
16. Cor：168
17. Cr: 430
18. grease lubrication speed: 50
19. oil lubrication speed: 60
20. weight: about 1g