| Under roller diameter | Fw | 40 | mm |
| Width | B | 12 | mm |
| Basic static load rating, radial | C0r | 24,300 | |
| Limiting speed | nG | 6,600 | |
| Reference speed | nϑr | 5,200 |
| Outside diameter | D | 47 | mm |
| Basic dynamic load rating, radial | Cr | 14,000 | |
| Fatigue load limit, radial | Cur | 3,250 | |
| Limiting speed for grease lubrication | nG Grease | 3,950 |
| Width, outer ring | C | 12 | mm |
| Minimum chamfer dimension | rmin | 0.80 | mm |
| Manufacturer | Part Number |
|---|---|
| IKO | TLA4012 |
| SKF | HK4012 (SKF) |
| SKF | RHNA404712 |
| NTN | HK4012 (NTN) |
| NADELLA | DB 40 47 12 P |
| TIMKEN | HK4012 |
