NSK A4059R/A4138R roller bearings | 15x34.988x10.998 mm
Also known as : A4059/A4138
- Inside Diameter: 15 mm
- Outside Diameter: 34.988 mm
- Width: 10.998 mm
- Basic dynamic load rating: 11.7 kN
- Basic static load rating: 10.9 kN

NSK A4059R/A4138R Bearing
NSK A4059R/A4138R Bearing details
| Part Number | A4059R/A4138R |
|---|---|
| d | 15 mm |
| D | 34.988 mm |
| T | 10.998 mm |
| B | 10.988 mm |
| C | 8.73 mm |
| Cone rmin. | 0.8 mm |
| Cup rmin. | 1.3 mm |
| Cr | 11.7 kN |
| C0r | 10.9 kN |
| Limiting speeds |
12000 min-1 (Grease) |
| Limiting speeds |
16000 min-1 (Oil) |
| e | 0.45 (constant) |
| y1 | 1.3 (Axial Load Factors) |
| y0 | 0.73 (Axial Load Factors) |
| Mass |
0.029 kg (CONE) 0.022 kg (CUP) |
NSK A4059R/A4138R roller bearings, tapered roller bearing, Single-Row Inch Design.
NSK A4059R/A4138R bearing cross reference



