| Minimum width to base of drawn cup with closed end | Ct min | 9.30 | mm |
| Minimum chamfer dimension | rmin | 0.80 | mm |
| Under roller diameter | Fw | 12 | mm |
| Width, outer ring | B | 12 | mm |
| Basic static load rating, radial | C0r | 7,300 | |
| Limiting speed | nG | 20,000 | |
| Reference speed | nϑr | 15,500 |
| Outside diameter | D | 18 | mm |
| Basic dynamic load rating, radial | Cr | 6,500 | |
| Fatigue load limit, radial | Cur | 880 | N |
| Limiting speed for grease lubrication | nG Grease | 12,000 |
| Manufacturer | Part Number |
|---|---|
| Koyo | 12MKM1812 |
| NTN | BK1212 |
| SKF | BK1212 (SKF) |
| Torrington | MFJH-1212 |
| SKF | RBNA121812 |
| IKO | TLAM1212 |
