NSK 644R/632R roller bearings | 71.438x136.525x41.275 mm
Also known as : 644/632
- Inside Diameter: 71.438 mm
- Outside Diameter: 136.525 mm
- Width: 41.275 mm
- Basic dynamic load rating: 195 kN
- Basic static load rating: 263 kN
NSK 644R/632R Bearing
NSK 644R/632R Bearing details
| Part Number | 644R/632R |
|---|---|
| d | 71.438 mm |
| D | 136.525 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 |
1.5 kg (CONE) 1.04 kg (CUP) |
NSK 644R/632R roller bearings, tapered roller bearing, Single-Row Inch Design.
