Xem Studiomeasured geometrySC8UU slide block for an LM8UU
What are the dimensions of an SC8UU linear bearing block? · Hardware · basis: SC8UU catalogue envelope: 34 × 30 × 22, LM8UU at 11 mm, four M4 on 24 × 18
Long Earth Society build part. Flywheel shaft blocks and displacer guides on the LES engines. The engines
Exact dimensions. Every file is drawn at true size with no printing tolerance. The holes and pins that meet another part are listed below under Mating features, with the fit each joint needs; open those by your printer's or process's clearance before making the part. Mating features
- sizes
- 4 in table
Notes
- A 34 × 30 × 22 block with R2 edges. A Ø15 bore (LM8UU OD) runs the 30 mm length on an axis 11 mm above the base.
- Four Ø3.3 holes (M4 tap drill) run top to bottom on a 24 × 18 pattern.
- The LM8UU sits in the Ø15 bore and rides an Ø8 rod; the fit is listed under Mating features.
Sizes
| feature | value_mm |
|---|---|
| block | 34 × 30 × 22 |
| bearing bore | Ø15 × 30 |
| centre height | 11 |
| holes | 4 × Ø3.3 (M4 tap) on 24 × 18 |
Mating features
Drawn at the exact size. Open press, slide, run and socket features by your process's clearance; leave designed gaps and clamp fits as drawn.
| feature | exact | mates with | fit | files |
|---|---|---|---|---|
| LM8UU pocket | Ø15 | LM8UU OD | press | slide-block-* |
| mounting holes | Ø3.3 | M4 tap drill | designed | slide-block-* |
Where the files are
Other publishers' files are linked, not hosted. "verify" = check the license at the link before commercial use.
| McMaster-Carr | Mounted bearings (free STEP per part, for your own design use; no redistribution) | STEP, PDF | McMaster-Carr site terms verify |
| McMaster-Carr | Sleeve bearings (free STEP per part, for your own design use; no redistribution) | STEP, PDF | McMaster-Carr site terms verify |
| OpenBuilds | Solid V wheel kit | web, STEP | OpenBuilds site verify |
| Wikipedia | Plain bearing | web | CC BY-SA 4.0 (text) |
| Long Earth Society | Engine and rig builds | web, video | LES site |
Free files
★ Free files 1 parts. Generated by Xem Studio from the standard; threads are plain cylinders at major diameter. CC BY 4.0. index.json
| slide-block-sc8uu | SC8UU slide block: Ø15 LM8UU pocket, 34 × 30 × 22, four Ø3.3 (M4 tap drill) holes on 24 × 18, 11 mm centre height | STEP · STL |
Plain text: sheet.txt · JSON: /api/geometry?object=slide-block-sc8uu
How it fits
Goes in or on
Linear rod Ø8 × 300rides the Ø8 rodConnects to
LM8UU linear bearing Ø8 × Ø15 × 24LM8UU OD in the Ø15 boreAlternatives
MGN9C/H, MGN12C/H and MGN15H carriagesrail carriage instead of rod and bushingAlso needed
SK8 rod support for Ø8 rodsholds the rod endsQuestions
What are SC8UU dimensions?
34 × 30 × 22, LM8UU (Ø15) bore 11 mm above the base, four M4 holes on 24 × 18.
What bearing goes in an SC8UU?
One LM8UU (Ø8 × Ø15 × 24) in the Ø15 × 30 bore.