NTN 51248 bearings
51248, NTN single direction thrust ball bearing
- Measurement system
- Metric
- Bore diameter
- 240.000 mm
- Outside diameter
- 340.000 mm
- Height
- 78.000 mm
- Ca
- 415000 N
- C0a
- 1650000 N
- Limiting speed
- 790 r/min
- Net weight
- 22.40 kg
- Number of rows
- 1
- Cage
- Machined brass
- Bearing material
- Steel
- Rolling material
- Steel
- Tolerance class
- Normal (PN)
In stock
Technical specification for NTN 51248
| Part Number | 51248 |
|---|---|
| Mass | 22.40 kg, approx. |
| Boundary Dimensions | |
| Bore dia. d | 240 mm |
| Outside dia. D | 340 mm |
| Height T | 78 mm |
| Chamfer rmin | 2.1 mm |
| Basic Load Ratings | |
| Dynamic Ca | 415 kN |
| Static C0a | 1650 kN |
| Fatigue load limit | |
| Cu | 44 kN |
| Limiting Speeds | |
| Oil | 790 min-1 |
| Grease | 550 min-1 |
| Dimensions | |
| d1 max | 335 mm |
| D1 min | 244 mm |
| t | 25 mm |
| Abutment and fillet dimensions | |
| da min | 299 mm |
| Da max | 281 mm |
| ra max | 2 mm |
NTN 51248 single direction thrust ball bearing is designed primarily to support axial loads in one direction.
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