Description
NTN 21312 21312KSpherical roller bearing |
 |
| 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 | |||
| 21312 | 21312K | 60 | 130 | 31 | 2.1 | 167 | 191 | 3 400 | 4 400 |
NTN 21312 21312KAbutment and fillet dimensions |
 |
| Abutment and fillet dimensions | Constant | Axial load factors | Mass (kg.) | |||||||
| W0 | d0 | da min | Da min | ras max | e | Y1 | Y2 | Yo | cylindrical | tapered |
| 7 | 4 | 72 | 118 | 2 | 0.25 | 2.69 | 4 | 2.63 | 2.1 | 2.07 |
