NTN 51144 bearings
51144, NTN single direction thrust ball bearing
- Measurement system
- Metric
- Bore diameter
- 220.000 mm
- Outside diameter
- 270.000 mm
- Height
- 37.000 mm
- Ca
- 177000 N
- C0a
- 740000 N
- Limiting speed
- 1300 r/min
- Net weight
- 4.27 kg
- Number of rows
- 1
- Cage
- Steel sheet metal
- Bearing material
- Steel
- Rolling material
- Steel
- Tolerance class
- Normal (PN)
In stock
Technical specification for NTN 51144
| Part Number | 51144 |
|---|---|
| Mass | 4.27 kg, approx. |
| Boundary Dimensions | |
| Bore dia. d | 220 mm |
| Outside dia. D | 270 mm |
| Height T | 37 mm |
| Chamfer rmin | 1.1 mm |
| Basic Load Ratings | |
| Dynamic Ca | 177 kN |
| Static C0a | 740 kN |
| Fatigue load limit | |
| Cu | 21.3 kN |
| Limiting Speeds | |
| Oil | 1300 min-1 |
| Grease | 920 min-1 |
| Dimensions | |
| d1 max | 267 mm |
| D1 min | 223 mm |
| t | 11.5 mm |
| Abutment and fillet dimensions | |
| da min | 250 mm |
| Da max | 240 mm |
| ra max | 1 mm |
NTN 51144 single direction thrust ball bearing is designed primarily to support axial loads in one direction.
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