| Dimension H1 (profiled rail systems) | 2.1 mm | ||
| Tolerance C | |||
| Dimension F | 2 mm | ||
| Dimension H1 | 2.1 mm | ||
| Dimension d | 4 mm | ||
| Footnote fastening site | Applies to size OBB-055; end block for size OBB-120 | ||
| Nominal size | 12 mm |
| Dimension A H7/k6 | 12 mm | ||
| Dimension H2 tolerance | |||
| Dimension c | 9 mm | ||
| Tolerance D | |||
| Module | OBB-055/OBB-120 | ||
| Outer diameter d | 4 mm | ||
| Mechanical accessories for linear axes | Centering rings |
