INA NK40/20-F-XL bearings
Needle roller bearing NK..-F-XL, single row, no inner ring, outer ring with 2 bords
- Measurement system
- Metric
- Bore diameter
- 40.000 mm
- Outside diameter
- 50.000 mm
- Width
- 20.000 mm
- Cr
- 29500 N
- C0r
- 47000 N
- Limiting speed
- 11400 r/min
- Net weight
- 81.0 g
- Number of rows
- 1
- Sealing
- Without
- Cage
- Sheet steel
- Outer diameter type
- Cylindrical
- Bearing material
- Steel
- Rolling material
- Steel
- Tolerance class
- Normal (PN)
- Lubricant in bearing
- Without
- Relubrication feature
- With
In stock
Technical specification for INA NK40/20-F-XL
| Part Number | NK40/20-F-XL | |
|---|---|---|
| Cage | F | Cage of steel |
| Tolerance class | PN | Normal (PN) |
| Main Dimensions & Performance Data | ||
| FW | 40 mm | Under roller diameter |
| D | 50 mm | Outside diameter |
| C | 20 mm | Width |
| Cr | 29500 N | Basic dynamic load rating, radial |
| C0r | 47000 N | Basic static load rating, radial |
| Cur | 8400 N | Fatigue load limit, radial |
| nG | 11400 1/min | Limiting speed |
| nϑr | 6900 1/min | Reference speed |
| m | ≈ 81.0 g | Weight |
| Dimensions | ||
| rmin | 0.3 mm | Minimum chamfer dimension |
| Additional information | ||
| G40X50X4 | Sealing ring | |
| SD40X50X4 | Sealing ring | |
INA NK40/20-F-XL, Needle roller bearing NK..-F-XL, single row, no inner ring, outer ring with 2 bords, Main dimensions: 40 x 50 x 20mm.
INA NK40/20-F-XL bearings without inner ring have particularly compact radial dimensions. However, they require a shaft raceway that is hardened and ground.
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