| Bearing number | NKXR 25 Z |
| Size (mm) | 37x25x30 |
| Bore Diameter (mm) | 37 |
| Outer Diameter (mm) | 25 |
| Width (mm) | 30 |
| Fw | 25 mm |
| D | 37 mm |
| C | 30 mm |
| C1 | 11 mm |
| C2 | 9.5 mm |
| d | 25 mm |
| D2 | 43.2 mm |
| r1,2 - min. | 0.6 mm |
| da - min. | 37.7 mm |
| ra - max. | 0.6 mm |
| rb - max. | 0.3 mm |
| di | 20 mm |
| F | 25 mm |
| Bi | 20 mm |
| Basic dynamic load rating, radial direction - C | 19 kN |
| Basic static load rating, radial direction - C0 | 32.5 kN |
| Basic dynamic load rating, axial direction - C | 25 kN |
| Basic static load rating, axial direction - C0 | 69.5 kN |
| Fatigue load limit, radial direction - Pu | 4 kN |
| Fatigue load limit, axial direction - Pu | 6.8 kN |
| Reference speed | 3200 r/min |
| Limiting speed | 6300 r/min |
| Mass bearing | 0.125 kg |
| Category | Roller Bearings |
| Inventory | 0.0 |
| Minimum Buy Quantity | N/A |
| Weight / Kilogram | 0.138 |
| Product Group | B04144 |
| r1,2 min. | 0.6 mm |
| da min. | 37.7 mm |
| ra max. | 0.6 mm |
| rb max. | 0.3 mm |
| Basic dynamic load rating, radial direction C | 19 kN |
| Basic static load rating, radial direction C0 | 32.5 kN |
| Basic dynamic load rating, axial direction C | 25 kN |
| Basic static load rating, axial direction C0 | 69.5 kN |
| Fatigue load limit, radial direction Pu | 4 kN |
| Fatigue load limit, axial direction Pu | 6.8 kN |
| Minimum axial load factor A | 0.000386 |
| Inner ring | IR 20x25x20 |
