Description
NTN 231/670B 231/670BKSpherical roller bearing |
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| Bearing numbers | Boundary dimensions | Basic load ratings | Limiting speeds | ||||||
| cylindrical bore | tapered bore | mm | rs min | static | dynamic | min-1 | |||
| d | D | B | Cr kN | C0r kN | grease | oil | |||
| 231/670B | 231/670BK | 670 | 1 090 | 336 | 7.5 | 11 000 | 22 800 | 230 | 300 |
NTN 231/670B 231/670BKAbutment and fillet dimensions |
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| Abutment and fillet dimensions | Constant | Axial load factors | Mass (kg.) | |||||||
| W0 | d0 | da min | Da min | ras max | e | Y1 | Y2 | Yo | cylindrical | tapered |
| 42 | 25 | 706 | 1 054 | 6 | 0.3 | 2.22 | 3.3 | 2.17 | 1 250 | 1 210 |
