20pcs Miniature Ball Bearings

1. High speed, low noise, long life
2. High temperature resistance, high precision, excellent products
3. Bearing collar: 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: greatly prolong the bearing life, keep the lubricant inside the bearing to keep the contaminants out

Parameters:
1. Model: MR63ZZ
2. Inner diameter: 3mm
3. Outer diameter: 6mm
4. Width: 2.5mm
5. Precision grade: P0
6. Standard number: GBT/276-2013
7. Cage and material: J steel plate stamping
8. Cr (kN): 208
9. Cor（kN）：74
10. Limit speed of grease lubrication (rpm): 71
11. Oil lubrication limit speed (rpm): 80

1. Model: MR63 open type
2. Inner diameter: 3mm
3. Outer diameter: 6mm
4. Width: 2mm
5. Precision grade: P0
6. Standard number: CB/T 307.3-2017
7. Cage and material: steel plate