NSK 7221BWDB bearings
7221BWDB, NSK, Matched angular contact ball bearings
- Measurement system
- Metric
- Bore diameter
- 105.000 mm
- Outside diameter
- 190.000 mm
- Width
- 72.000 mm
- Cr
- 254000 N
- C0r
- 258000 N
- Limiting speed
- 2400 r/min
- Net weight
- 7.84 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 7221BWDB
| Parts Number | 7221BWDB | |
|---|---|---|
| Brand | NSK | |
| Arrangement | DB: Back-to-back arrangement | |
| Boundary Dimensions | ||
| d | 105 mm | Bore diameter |
| D | 190 mm | Outside diameter |
| 2B | 72 mm | Width 2B |
| r min. | 2.1 mm | Chamfer Dimension |
| r1 min. | 1.1 mm | Chamfer Dimension |
| Basic Load Ratings | ||
| Cr | 254000 N | Basic Dynamic Load Rating |
| C0r | 258000 N | Basic Static Load Rating |
| Speeds | ||
| Grease | 1700 min-1 | Grease lubrication |
| Oil | 2400 min-1 | Oil-bath lubrication |
| Dimensions | ||
| a0 | 159.8 mm | Load center spacings |
| Abutment and Fillet Dimensions | ||
| da min. | 117 mm | Diameter of Shaft Abutment |
| rb max. | 1 mm | Radius of fillet |
| Db max. | 183 mm | Diameter of Housing Abutment |
| ra max. | 2 mm | Radius of Shaft or Housing Fillet |
| Mass | ||
| Weight | 7.84 kg (approx.) | |
7221BWDB, NSK, matched angular contact ball bearings DB Back-to-back arrangement; Bore diameter: 105 mm; Outside diameter 190 mm; Width(2B) 72 mm.
NSK 7221BWDB matched angular contact ball bearings can sustain radial loads and axial loads in both directions.
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