| Bore diameter | d | 20 | mm |
| Width | B | 9 | mm |
| Basic static load rating, radial | C0r | 3,680 | |
| Limiting speed | nG | 10,600 |
| Outside diameter | D | 37 | mm |
| Basic dynamic load rating, radial | Cr | 6,380 | |
| Fatigue load limit, radial | Cur | 233 | N |
| Minimum diameter shaft shoulder | da min | 22 | mm |
| Maximum fillet radius | ra max | 0.30 | mm |
| Maximum diameter of housing shoulder | Da max | 35 | mm |
| Minimum chamfer dimension | rmin | 0.30 | mm |
| Caliber diameter inner ring | d2 | 23.70 | mm |
| Caliber diameter outer ring | D2 | 33.50 | mm |
| Manufacturer | Part Number |
|---|---|
| NSK | 6904-DDU (NSK) |
| SKF | 61904 -2RS1 |
| KOYO | 69042RS |
| ADR | AY20-2RS |
| Marlin-Rockwell Corp. | 1904-SZZ |
| SKC | 9327320 |
