| Minimum width to base of drawn cup with closed end | Ct min | 9.30 | mm |
| Minimum chamfer dimension | rmin | 0.80 | mm |
| Reference speed | nϑr | 12,300 | |
| Limiting speed | nG | 16,300 | |
| Basic static load rating, radial | C0r | 9,400 | |
| Width, outer ring | B | 12 | mm |
| Under roller diameter | Fw | 15 | mm |
| Limiting speed for grease lubrication | nG Grease | 9,800 | |
| Fatigue load limit, radial | Cur | 1,170 | |
| Basic dynamic load rating, radial | Cr | 7,900 | |
| Outside diameter | D | 21 | mm |
| Manufacturer | Part Number |
|---|---|
| Koyo | 15MKM2112 |
| NTN | BK1512 (NTN) |
| SKF | BK1512 (SKF) |
| Torrington | MFJ-1512 |
| SKF | RBNA152112 |
| IKO | TLAM1512 (IKO) |
