| Width of lubricating groove | ns | 9.50 | mm |
| Raceway diameter of the inner ring | d2 | 112.60 | mm |
| Minimum chamfer dimension | rmin | 3 | mm |
| Diameter lubrication hole | ds | 4.80 | mm |
| Bore diameter outer ring | D1 | 152.70 | mm |
| Maximum recess radius | ra max | 2.50 | mm |
| Minimum diameter shaft shoulder | da min | 104 | mm |
| Maximum diameter of housing shoulder | Da max | 176 | mm |
| Reference speed | nϑr | 3,600 | |
| Fatigue load limit, radial | Cur | 48,500 | |
| Basic dynamic load rating, radial | Cr | 380,000 | |
| Outside diameter | D | 190 | mm |
| Limiting speed | nG | 4,850 | |
| Basic static load rating, radial | C0r | 415,000 | |
| Width | B | 43 | mm |
| Bore diameter | d | 90 | mm |
| Manufacturer | Part Number |
|---|---|
| SKF | 21318-E-C3 (SKF) |
| NSK | 21318 EA-E4-C3 (NSK) |
