Description
Dimensions
| d | 320 mm | Bore diameter |
|---|---|---|
| F | 350 mm | Raceway diameter |
| B | 80 mm | Width |
| r, r1,2 | min. 2.1 mm | Chamfer dimension inner ring |
Tolerances and clearances
General bearing specifications
- Tolerances: IR series, LR series, raceways
Inner rings for needle roller bearings are available as separate components. They are typically combined with needle roller and cage assemblies or drawn cup needle roller bearings in applications where the shaft cannot be hardened and ground. The inner rings in the IR series are the standard NR inner rings for needle roller bearings.
- Enable full interchangeability of inner rings
- Standard NR inner rings for needle roller bearings
- Accommodate axial displacement in both directions
