SKF QJ207N2MA bearings
SKF four-point contact ball bearing with locating slots, SKF Explorer
- Measurement system
- Metric
- Bore diameter
- 35.000 mm
- Outside diameter
- 72.000 mm
- Width
- 17.000 mm
- Cr
- 49000 N
- C0r
- 41500 N
- Limiting speed
- 17000 r/min
- Net weight
- 0.344 kg
- Number of rows
- 1
- Contact angle deg
- 35
- Sealing
- Without
- Locating feature
- Locating slot
- 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 QJ207N2MA
| Part Number | QJ207N2MA | |
|---|---|---|
| Description | SKF four-point contact ball bearing with locating slots, SKF Explorer | |
| Number of rows | 1 | |
| Locating feature | Locating slot | |
| Ring type | Two-piece inner ring and one-piece outer ring | |
| Cage | Machined brass | |
| Axial internal clearance | CN | |
| Dimensions | ||
| d | 35.0 mm | Bore diameter |
| D | 72.0 mm | Outside diameter |
| B | 17.0 mm | Width |
| d1 | ≈44 mm | Shoulder diameter inner ring |
| D1 | ≈59 mm | Shoulder diameter outer ring |
| a | 37 mm | Distance pressure point(s) |
| h | 3.5 mm | Locating slot depth outer ring |
| b | 4.5 mm | Locating slot width outer ring |
| r0 | 0.5 | Corner radius locating slot |
| r1,2 | min. 1.1 mm | Chamfer dimension |
| Calculation Data | ||
| da | min. 42 mm | Abutment diameter shaft |
| Da | max. 65 mm | Abutment diameter housing |
| ra | max. 1 mm | Fillet radius |
| Abutment dimensions | ||
| C | 49.0 kN | Basic dynamic load rating |
| C0 | 41.5 kN | Basic static load rating |
| Pu | 1.76 kN | Fatigue load limit |
| 17000.0 r/min | Limiting speed | |
Four-point contact ball bearings with locating slots 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. The locating slots can be used to prevent the outer ring from rotating.
Dimensions and Performance of SKF QJ207N2MA:
- Bore diameter: 35.0 mm
- Outside diameter: 72.0 mm
- Width: 17.0 mm
- Contact angle: 35°
- Basic dynamic load rating: 49.0 kN
- Basic static load rating: 41.5 kN
- Limiting speed: 17000.0 r/min
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