| Outside diameter | D | 37 | mm |
| Basic dynamic load rating, radial | Cr | 12,100 | |
| Fatigue load limit, radial | Cur | 2,440 | |
| Limiting speed for grease lubrication | nG Grease | 5,200 | |
| Under roller diameter | Fw | 30 | mm |
| Width | B | 12 | mm |
| Basic static load rating, radial | C0r | 18,200 | |
| Limiting speed | nG | 8,600 | |
| Reference speed | nϑr | 6,600 |
| Width, outer ring | C | 12 | mm |
| Minimum chamfer dimension | rmin | 0.80 | mm |
| Manufacturer | Part Number |
|---|---|
| NTN | HK3012 (NTN) |
| SKF | HK3012 (SKF) |
| Nadella | DB 30 37 12 P |
| IKO | TLA3012 |
| Koyo | 30BTM3712 |
| SKF | RHNA303712 |
