LM8UU linear bearing Ø8 × Ø15 × 24
What are the LM8UU bearing dimensions? · Hardware · basis: Industry-standard LM8UU: dr 8, D 15, L 24; retaining-ring grooves 1.1 wide to Ø14.3, outer faces 17.5 apart
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
- Ø8 bore × Ø15 OD × 24 long.
- Two retaining-ring grooves 1.1 wide, down to Ø14.3, with their outer faces 17.5 apart (grooves from 3.25 to 4.35 and 19.65 to 20.75 along the length).
- Related sizes: LM8LUU 8 × 15 × 45; LM10UU 10 × 19 × 29; LM12UU 12 × 21 × 30.
- The OD sits in a Ø15 housing (the SC8UU block) and the bore slides on an Ø8 rod; fits are under Mating features.
Sizes
| feature | value_mm |
|---|---|
| bore | 8 |
| OD | 15 |
| length | 24 |
| grooves | 1.1 wide to Ø14.3, 17.5 apart (outer faces) |
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 |
|---|---|---|---|---|
| bearing OD | Ø15 × 24 | housing bore | press | lm8uu* |
| bore | Ø8 | 8 mm rod (slides on it) | designed | lm8uu* |
Where the files are
Other publishers' files are linked, not hosted. "verify" = check the license at the link before commercial use.
| McMaster-Carr | Linear ball bearings (free STEP/IGES/STL per part, for your own design use; no redistribution) | STEP, IGES, STL, PDF | McMaster-Carr site terms: personal design use, no redistribution verify |
| Wikipedia | Linear-motion bearing | web | CC BY-SA 4.0 (text) |
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
Plain text: sheet.txt · JSON: /api/geometry?object=lm8uu-bearing

How it fits
Goes in or on
Alternatives
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Questions
What are LM8UU dimensions?
8 mm bore, 15 mm OD, 24 mm long, two grooves 1.1 wide to Ø14.3, 17.5 mm apart over their outer faces.
What housing bore does an LM8UU take?
Ø15, the bearing OD; the SC8UU block file has it.
