Description
NTN 231/630B 231/630BKSpherical 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 | |||
| 231/630B | 231/630BK | 630 | 1 030 | 315 | 7.5 | 9 600 | 19 900 | 250 | 320 |
NTN 231/630B 231/630BKAbutment 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 |
| 33 | 20 | 666 | 994 | 6 | 0.3 | 2.27 | 3.38 | 2.22 | 1 050 | 1 020 |
