Journal bearing assembly TVR12E, twin bearing, eccentric, short axle, through-hole fixed, used with 12mm width double 70° V edge slide, interchangeable with RSJ13E and AMJ12E1
| Twin bearing | Bearing type | |
| Eccentric (adjustable) | Journal type |
| D | 12.7 | Roller diameter |
| e | 0.6 mm | Eccentricity |
| B | 10.1 mm | Height from cap screw to mounting surface |
| E ±0.025 | 5.5 mm | Height from bearing center to mounting surface |
| B1 | 6 mm | Stud length |
| B2 | 3 mm | Max plate height |
| C1 | 2.5 mm | Bearing side face to mounting surface |
| F | 9.63 mm | Contact point diameter |
| G | M4x0.5 | Thread (metric fine) |
| C | 8 | Roller width |
| ≈m | 0.008 g | Weight |
| WLr | 108 N | Radial |
| WL0 | 54 N | Axial |
| C0r | 260 N | Radial |
| Cr | 690 N | Radial |
| C0a | 74 N | Axial |
| Ca | 190 N | Axial |
| HEPCO | ASAHI |
| RSJ13E | AMJ12E1 |
