NSK 643R/633R roller bearings | 69.85x130.175x41.275 mm
Also known as : 643/633
- Inside Diameter: 69.85 mm
- Outside Diameter: 130.175 mm
- Width: 41.275 mm
- Basic dynamic load rating: 195 kN
- Basic static load rating: 263 kN
NSK 643R/633R Bearing
NSK 643R/633R Bearing details
| Part Number | 643R/633R |
|---|---|
| d | 69.85 mm |
| D | 130.175 mm |
| T | 41.275 mm |
| B | 41.275 mm |
| C | 31.75 mm |
| Cone rmin. | 3.5 mm |
| Cup rmin. | 3.3 mm |
| Cr | 195 kN |
| C0r | 263 kN |
| Limiting speeds |
2800 min-1 (Grease) |
| Limiting speeds |
3800 min-1 (Oil) |
| e | 0.36 (constant) |
| y1 | 1.7 (Axial Load Factors) |
| y0 | 0.91 (Axial Load Factors) |
| Mass |
1.56 kg (CONE) 0.712 kg (CUP) |
NSK 643R/633R roller bearings, tapered roller bearing, Single-Row Inch Design.
