NSK 7230BDB bearings
7230BDB, NSK, Matched angular contact ball bearings
- Measurement system
- Metric
- Bore diameter
- 150.000 mm
- Outside diameter
- 270.000 mm
- Width
- 90.000 mm
- Cr
- 400000 N
- C0r
- 510000 N
- Limiting speed
- 2000 r/min
- Net weight
- 22.4 kg
- Number of rows
- 2
- Contact angle deg
- 40
- Sealing
- Without
- Cage
- Machined brass
- Arrangement
- Matched bearings
- Bearing material
- Steel
- Rolling material
- Steel
- Lubricant in bearing
- None
- Relubrication feature
- Without
In stock
Technical specification for NSK 7230BDB
| Parts Number | 7230BDB | |
|---|---|---|
| Brand | NSK | |
| Arrangement | DB: Back-to-back arrangement | |
| Boundary Dimensions | ||
| d | 150 mm | Bore diameter |
| D | 270 mm | Outside diameter |
| 2B | 90 mm | Width 2B |
| r min. | 3 mm | Chamfer Dimension |
| r1 min. | 1.1 mm | Chamfer Dimension |
| Basic Load Ratings | ||
| Cr | 400000 N | Basic Dynamic Load Rating |
| C0r | 510000 N | Basic Static Load Rating |
| Speeds | ||
| Grease | 1500 min-1 | Grease lubrication |
| Oil | 2000 min-1 | Oil-bath lubrication |
| Dimensions | ||
| a0 | 221.2 mm | Load center spacings |
| Abutment and Fillet Dimensions | ||
| da min. | 164 mm | Diameter of Shaft Abutment |
| rb max. | 1 mm | Radius of fillet |
| Db max. | 263 mm | Diameter of Housing Abutment |
| ra max. | 2.5 mm | Radius of Shaft or Housing Fillet |
| Mass | ||
| Weight | 22.4 kg (approx.) | |
7230BDB, NSK, matched angular contact ball bearings DB Back-to-back arrangement; Bore diameter: 150 mm; Outside diameter 270 mm; Width(2B) 90 mm.
NSK 7230BDB matched angular contact ball bearings can sustain radial loads and axial loads in both directions.
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7230ADB, NSK, Matched angular contact ball bearings