NSK 7311BWDB bearings
7311BWDB, NSK, Matched angular contact ball bearings
- Measurement system
- Metric
- Bore diameter
- 55.000 mm
- Outside diameter
- 120.000 mm
- Width
- 58.000 mm
- Cr
- 141000 N
- C0r
- 113000 N
- Limiting speed
- 4000 r/min
- Net weight
- 2.9 kg
- Number of rows
- 2
- Contact angle deg
- 40
- Sealing
- Without
- Cage
- Steel sheet metal
- Arrangement
- Matched bearings
- Bearing material
- Steel
- Rolling material
- Steel
- Lubricant in bearing
- None
- Relubrication feature
- Without
In stock
Technical specification for NSK 7311BWDB
| Parts Number | 7311BWDB | |
|---|---|---|
| Brand | NSK | |
| Arrangement | DB: Back-to-back arrangement | |
| Boundary Dimensions | ||
| d | 55 mm | Bore diameter |
| D | 120 mm | Outside diameter |
| 2B | 58 mm | Width 2B |
| r min. | 2 mm | Chamfer Dimension |
| r1 min. | 1 mm | Chamfer Dimension |
| Basic Load Ratings | ||
| Cr | 141000 N | Basic Dynamic Load Rating |
| C0r | 113000 N | Basic Static Load Rating |
| Speeds | ||
| Grease | 3000 min-1 | Grease lubrication |
| Oil | 4000 min-1 | Oil-bath lubrication |
| Dimensions | ||
| a0 | 102.4 mm | Load center spacings |
| Abutment and Fillet Dimensions | ||
| da min. | 65 mm | Diameter of Shaft Abutment |
| rb max. | 1 mm | Radius of fillet |
| Db max. | 114 mm | Diameter of Housing Abutment |
| ra max. | 2 mm | Radius of Shaft or Housing Fillet |
| Mass | ||
| Weight | 2.9 kg (approx.) | |
7311BWDB, NSK, matched angular contact ball bearings DB Back-to-back arrangement; Bore diameter: 55 mm; Outside diameter 120 mm; Width(2B) 58 mm.
NSK 7311BWDB matched angular contact ball bearings can sustain radial loads and axial loads in both directions.
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