| Bore diameter | d | 12 | mm |
| Width | B | 5 | mm |
| Basic static load rating, radial | C0r | 1,040 | |
| Limiting speed | nG | 18,100 |
| Outside diameter | D | 21 | mm |
| Basic dynamic load rating, radial | Cr | 1,920 | |
| Fatigue load limit, radial | Cur | 47.50 | N |
| Minimum diameter shaft shoulder | da min | 14 | mm |
| Maximum fillet radius | ra max | 0.30 | mm |
| Maximum diameter of housing shoulder | Da max | 19 | mm |
| Minimum chamfer dimension | rmin | 0.30 | mm |
| Caliber diameter inner ring | d2 | 13.80 | mm |
| Caliber diameter outer ring | D2 | 19.20 | mm |
| Manufacturer | Part Number |
|---|---|
| SKF | 61801 -2RS1 |
| Marlin-Rockwell Corp. | 1801SZZ |
| Steyr-Daimler-Puch | 61801-2RS1 |
