| Width of lubricating groove | ns | 6,50 | mm |
| Raceway diameter of the inner ring | d2 | 84,40 | mm |
| Minimum chamfer dimension | rmin | 2,10 | mm |
| Diameter lubrication hole | ds | 3,20 | mm |
| Bore diameter outer ring | D1 | 112,50 | mm |
| Minimum cavity width of the sleeve | Ba min | 5 | mm |
| Maximum recess radius | ra max | 2,10 | mm |
| Maximum diameter of shaft shoulder | da max | 84 | mm |
| Minimum cavity diameter of the sleeve | db min | 65 | mm |
| Maximum diameter of housing shoulder | Da max | 118 | mm |
| Minimum diameter shaft shoulder | da min | 72 | mm |
| Reference speed | nϑr | 4,100 | |
| Fatigue load limit, radial | Cur | 28,500 | |
| Basic dynamic load rating, radial | Cr | 211,000 | |
| Outside diameter | D | 130 | mm |
| Limiting speed | nG | 6,700 | |
| Basic static load rating, radial | C0r | 226,000 | |
| Width | B | 31 | mm |
| Bore diameter | d | 60 | mm |
| Fabricante | Referencia |
|---|---|
| NSK | 21312 EA-K-E4 (NSK) |
| SKF | 21312 E-K (SKF) |
