SKF QJ313MA bearings
SKF four-point contact ball bearing, SKF Explorer
- Measurement system
- Metric
- Bore diameter
- 65.000 mm
- Outside diameter
- 140.000 mm
- Width
- 33.000 mm
- Cr
- 176000 N
- C0r
- 156000 N
- Limiting speed
- 8500 r/min
- Net weight
- 2.58 kg
- Number of rows
- 1
- Contact angle deg
- 35
- Sealing
- Without
- Locating feature
- Without
- Cage
- Machined brass
- Bearing material
- Steel
- Rolling material
- Steel
- Internal clearance
- CN
- Lubricant in bearing
- None
- Relubrication feature
- Without
In stock
Technical specification for SKF QJ313MA
| Part Number | QJ313MA | |
|---|---|---|
| Description | SKF four-point contact ball bearing, SKF Explorer | |
| Number of rows | 1 | |
| Locating feature | Without | |
| Cage | Machined brass | |
| Axial internal clearance | CN | |
| Dimensions | ||
| d | 65.0 mm | Bore diameter |
| D | 140.0 mm | Outside diameter |
| B | 33.0 mm | Width |
| d1 | ≈82.5 mm | Shoulder diameter inner ring |
| D1 | ≈115 mm | Shoulder diameter outer ring |
| a | 72 mm | Distance pressure point(s) |
| r1,2 | min. 2.1 mm | Chamfer dimension |
| Calculation Data | ||
| da | min. 77 mm | Abutment diameter shaft |
| Da | max. 128 mm | Abutment diameter housing |
| ra | max. 2 mm | Fillet radius |
| Abutment dimensions | ||
| C | 176.0 kN | Basic dynamic load rating |
| C0 | 156.0 kN | Basic static load rating |
| Pu | 6.55 kN | Fatigue load limit |
| 8500.0 r/min | Limiting speed | |
Four-point contact ball bearings can accommodate high axial loads in both directions and small radial loads. They can operate at very high speeds and are more suitable than deep groove ball bearings for supporting large axial forces. The outer ring, with ball and cage assembly, can be mounted separately from the two inner ring halves.
Dimensions and Performance of SKF QJ313MA:
- Bore diameter: 65.0 mm
- Outside diameter: 140.0 mm
- Width: 33.0 mm
- Contact angle: 35°
- Basic dynamic load rating: 176.0 kN
- Basic static load rating: 156.0 kN
- Limiting speed: 8500.0 r/min
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