Journal used for LFR track roller linear guidance, concentric, carbon steel, oxide black finish or zinc finish
| LFR | LFR5201-10-2Z | LFR Track Roller |
| concentric(stationary) | Adjustability |
| d | 12 mm | Shaft diamter |
| G1 | M10 | Mounting thread |
| L3 | 22 mm | Total mounting width |
| L | 43 mm | Overall width |
| L2 | 36 mm | Shank width |
| W | 17 mm | Width across flats Bolt head |
| S | 1.8 mm | Washer height-1 |
| DS | 21 mm | Washer diameter-1 |
| ≈m | 0.04 kg | Weight |
| a | 20.65 mm | Diamemer bolt center to linear shaft center |
| b | 17.7 mm | Width bearing and washer |
| c | 9.7 mm | Width mounting surface to running groove center |
| h | 24.7 mm | Width total mounting |