| Outside diameter | D | 13 | mm |
| Basic dynamic load rating, radial | Cr | 5,300 | |
| Fatigue load limit, radial | Cur | 870 | N |
| Limiting speed for grease lubrication | nG Grease | 16,000 | |
| Under roller diameter | Fw | 9 | mm |
| Width, outer ring | B | 12 | mm |
| Basic static load rating, radial | C0r | 6,300 | |
| Limiting speed | nG | 26,500 | |
| Reference speed | nϑr | 20,200 |
| Minimum chamfer dimension | rmin | 0.40 | mm |
| Minimum width to base of drawn cup with closed end | Ct min | 10.40 | mm |
| Manufacturer | Part Number |
|---|---|
| KOYO | 9MKM1312 |
| NTN | BK0912 (NTN) |
| SKF | BK0912 (SKF) |
| SKF | RBNA091312 |
| IKO | TLAM912 |
