NTN 51309 bearings
51309, NTN single direction thrust ball bearing
- Measurement system
- Metric
- Bore diameter
- 45.000 mm
- Outside diameter
- 85.000 mm
- Height
- 28.000 mm
- Ca
- 80000 N
- C0a
- 163000 N
- Limiting speed
- 2900 r/min
- Net weight
- 0.68 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 51309
| Part Number | 51309 |
|---|---|
| Mass | 0.68 kg, approx. |
| Boundary Dimensions | |
| Bore dia. d | 45 mm |
| Outside dia. D | 85 mm |
| Height T | 28 mm |
| Chamfer rmin | 1.0 mm |
| Basic Load Ratings | |
| Dynamic Ca | 80 kN |
| Static C0a | 163 kN |
| Fatigue load limit | |
| Cu | 7.35 kN |
| Limiting Speeds | |
| Oil | 2900 min-1 |
| Grease | 2000 min-1 |
| Dimensions | |
| d1 max | 85 mm |
| D1 min | 47 mm |
| t | 8.3 mm |
| Abutment and fillet dimensions | |
| da min | 69 mm |
| Da max | 61 mm |
| ra max | 1 mm |
NTN 51309 single direction thrust ball bearing is designed primarily to support axial loads in one direction.
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