SKF 7311 BECBM bearings
7311 BECBM Single row angular contact ball bearing, SKF Explorer
- Measurement system
- Metric
- Bore diameter
- 55.000 mm
- Outside diameter
- 120.000 mm
- Width
- 29.000 mm
- Cr
- 85000 N
- C0r
- 60000 N
- Limiting speed
- 9500 r/min
- Net weight
- 1.49 kg
- Number of rows
- 1
- Contact angle deg
- 40
- Sealing
- Without
- Cage
- Machined brass
- Bore type
- Cylindrical
- Outer diameter type
- Cylindrical
- Arrangement
- Universal matching
- Bearing material
- Steel
- Rolling material
- Steel
- Tolerance class
- Class6 (P6)
- Lubricant in bearing
- None
- Relubrication feature
- Without
In stock
Technical specification for SKF 7311 BECBM
| Part Number | 7311 BECBM | |
|---|---|---|
| Description | Single row angular contact ball bearing M : Machined brass cage, rolling element centred, CB : Normal axial internal clearance (set of two matched bearings arranged back-to-back or face-to-face) | |
| Cage | Machined brass cage | |
| Contact angle | 40° | |
| Number of rows | 1 | |
| Dimensions | ||
| d | 55.0 mm | Bore diameter |
| D | 120.0 mm | Outside diameter |
| B | 29.0 mm | Width |
| d1 | ≈ 80.3 mm | Shoulder diameter of inner ring (large side face) |
| d2 | ≈ 66.66 mm | Shoulder diameter of inner ring (small side face) |
| D1 | ≈ 96.6 mm | Shoulder diameter of outer ring (large side face) |
| a | 51.0 mm | Distance side face to pressure point |
| r1,2 | min. 2.0 mm | Chamfer dimension |
| r3,4 | min. 1.0 mm | Chamfer dimension |
| Abutment Dimensions | ||
| da | min. 66.0 mm | Diameter of shaft abutment |
| Da | max. 109.0 mm | Abutment diameter housing |
| Db | max. 114.0 mm | Diameter of housing abutment |
| ra | max. 2.0 mm | Radius of fillet |
| rb | max. 1.0 mm | Radius of fillet |
| Calculation Data | ||
| C | 85.0 kN | Basic dynamic load rating |
| C0 | 60.0 kN | Basic static load rating |
| Pu | 2.55 kN | Fatigue load limit |
| 9500.0 r/min | Limiting speed | |
| 7000.0 r/min | Reference speed | |
7311 BECBM, Single row angular contact ball bearing, Bore diameter: 55.0 mm; Outside diameter: 120.0 mm; Width: 29.0 mm; Contact angle: 40°; Class P6 (P6);.
SKF 7311 BECBM, These single row angular contact ball bearings can accommodate radial and axial loads acting simultaneously, where the axial load acts in one direction only. They can operate at high speeds and, depending on the variant, even very high speeds. They are more suitable than deep groove ball bearings for supporting large axial forces acting in one direction.
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