NSK 6988 Deep groove ball bearings
Also known as : 6988, 61988
- Inside Diameter: 440 mm
- Outside Diameter: 600 mm
- Width: 74 mm
- Basic dynamic load rating: 395 kN
- Basic static load rating: 680 kN
NSK 6988
NSK 6988 details
| model | 6988 |
|---|---|
| d | 440 mm |
| D | 600 mm |
| B | 74 mm |
| rmin. | 4.0 mm |
| Cr | 395000 N 40500 kgf |
| C0r | 680000 N 69000 kgf |
| Limiting speeds | 800 min-1 (Grease) |
| Limiting speeds | 1000 min-1 (Oil) |
| f0 | 16.6 (Factor) |
| da min | 456.0 mm |
| da max | 0.0 mm |
| Da | 584.0 mm |
| ra | 3.0 mm |
| Mass | 60.200 kg (approx.) |
NSK 6988 bearing cross reference
302K
440 mmx 600 mmx 74 mm
301K
440 mmx 600 mmx 74 mm
62207-2RS-C3
440 mmx 600 mmx 74 mm
62306-2RS-C3
440 mmx 600 mmx 74 mm
63005-2RS-C3
440 mmx 600 mmx 74 mm
62205-2RS-C3
440 mmx 600 mmx 74 mm
62304-2RS-C3
440 mmx 600 mmx 74 mm
62204-2RS-C3
440 mmx 600 mmx 74 mm
63003-2RS-C3
440 mmx 600 mmx 74 mm
62303-2RS-C3
440 mmx 600 mmx 74 mm
63002-2RS-C3
440 mmx 600 mmx 74 mm
