NTN 51238 bearings
51238, NTN single direction thrust ball bearing
- Measurement system
- Metric
- Bore diameter
- 190.000 mm
- Outside diameter
- 270.000 mm
- Height
- 62.000 mm
- Ca
- 310000 N
- C0a
- 1060000 N
- Limiting speed
- 1000 r/min
- Net weight
- 11.30 kg
- Number of rows
- 1
- Cage
- Machined brass
- Bearing material
- Steel
- Rolling material
- Steel
- Tolerance class
- Normal (PN)
In stock
Technical specification for NTN 51238
| Part Number | 51238 |
|---|---|
| Mass | 11.30 kg, approx. |
| Boundary Dimensions | |
| Bore dia. d | 190 mm |
| Outside dia. D | 270 mm |
| Height T | 62 mm |
| Chamfer rmin | 2.0 mm |
| Basic Load Ratings | |
| Dynamic Ca | 310 kN |
| Static C0a | 1060 kN |
| Fatigue load limit | |
| Cu | 31.5 kN |
| Limiting Speeds | |
| Oil | 1000 min-1 |
| Grease | 710 min-1 |
| Dimensions | |
| d1 max | 267 mm |
| D1 min | 194 mm |
| t | 19.6 mm |
| Abutment and fillet dimensions | |
| da min | 238 mm |
| Da max | 222 mm |
| ra max | 2 mm |
NTN 51238 single direction thrust ball bearing is designed primarily to support axial loads in one direction.
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