| Outside diameter | D | 160 | mm |
| Limiting speed for oil lubrication | nG Oil | 12,000 | |
| Fatigue load limit, radial | Cur | 5,300 | |
| Basic dynamic load rating, radial | Cr | 80,000 |
| Bore diameter | d | 105 | mm |
| Limiting speed for grease lubrication | nG Grease | 7,500 | |
| Basic static load rating, radial | C0r | 58,000 | |
| Width | B | 26 | mm |
| Contact angle | α | 25 | ° |
| Minimum chamfer dimension | rmin | 2 | mm |
| Distance between the apexes of the pressure cones | a | 43.90 | mm |
| Minimum diameter injection pitch | Etk min | 123 | mm |
| Shoulder diameter outer ring clearance | Da | H12 | |
| Diameter shaft shoulder clearance | da | h12 |
| Maximum diameter injection pitch | Etk max | 128.30 | mm |
| Maximum recess radius | ra max | 1 | mm |
| Shoulder diameter outer ring | Da | 150 | mm |
| Diameter shaft shoulder | da | 116 | mm |
| Manufacturer | Part Number |
|---|---|
| Marlin-Rockwell Corp. | 7121KRDS-BKE#7 |
| RHP | 7021A5TRSULP3 |
| RHP | 7021A5TRSULP4 |
| SKF | 7021 ACD-GA/P4A (SKF) |
| RHP | 7021ETSULP4 |
| Koyo | 7021GLFGP4 |
| SNFA | EX105-7CE3-UL |
| Fafnir | 3MM9121WI-CRUL |
