| Bore diameter | d | 20 | mm |
| Width | B | 21 | mm |
| Basic static load rating, radial | C0r | 3,350 | |
| Limiting speed | nG | 8,500 |
| Outside diameter | D | 52 | mm |
| Basic dynamic load rating, radial | Cr | 12,700 | |
| Fatigue load limit, radial | Cur | 212 | N |
| Minimum diameter shaft shoulder | da min | 27 | mm |
| Maximum fillet radius | ra max | 1 | mm |
| Maximum diameter of housing shoulder | Da max | 45 | mm |
| Minimum chamfer dimension | rmin | 1.10 | mm |
| Caliber diameter inner ring | d2 | 27.20 | mm |
| Caliber diameter outer ring | D2 | 44.40 | mm |
| Manufacturer | Part Number |
|---|---|
| KOYO | 23042RS |
| RIV Officine di Villar Perosa | BJL20 |
| SKC | 5945737 |
| SKF | 2304-E-2RS1 TN9 (SKF) |
| Marlin-Rockwell Corp. | 2304E2RS1 |
| Steyr-Daimler-Puch | 2304E/2RS1/TG |
| SNR | 2304EE G15 (SNR) |
| SKC | 5621381 |
| RHP | 2304-2RSTNH |
