| Bore diameter | d | 4 | mm |
| Width | B | 5 | mm |
| Basic static load rating, radial | C0r | 671 | N |
| Limiting speed | nG | 53,000 |
| Outside diameter | D | 16 | mm |
| Basic dynamic load rating, radial | Cr | 1,735 | |
| Fatigue load limit, radial | Cur | 23 | N |
| Reference speed | nϑr | 32,500 |
| Minimum diameter shaft shoulder | da min | 6.40 | mm |
| Maximum fillet radius | ra max | 0.30 | mm |
| Maximum diameter of housing shoulder | Da max | 13.60 | mm |
| Minimum chamfer dimension | rmin | 0.30 | mm |
| Caliber diameter inner ring | d2 | 6.70 | mm |
| Caliber diameter outer ring | D2 | 13 | mm |
| Manufacturer | Part Number |
|---|---|
| Neuweg Fertigung GmbH | 634.2Z |
| Hyatt | 77034 |
| FLT | R4ZZ |
| NMB | R-1640X4ZZ |
| NSK | 634ZZ (NSK) |
| Hoover | 77034 |
| Torrington | T77034 |
| ADR | 634ZZ |
| GPZ Bearings | 80034 |
| Norma-Hoffmann Bearings | C-94-PP |
| SKF | 634-2Z (SKF) |
| GMN | 634-2Z |
| Fischer Bearings | R4PP |
| SNR | 634ZZ (SNR) |
| KOYO | 634ZZ |
| Federal Bearings | 9430FF |
| Fafnir | 34KDD |
| RIV Officine di Villar Perosa | 010APPL |
| Marlin-Rockwell Corp. | 34-FF |
| RHP | 634-2Z |
| Bearings Company of America | 34SS |
