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Rotary shaft lip seal 8 × 22 × 7 (envelope)
What size shaft seal fits an 8 mm shaft in a 22 mm bore? · Standard part · basis: ISO 6194-1 nominal size 8 × 22 × 7; drawn as an envelope (case, lip bore, recess)
Long Earth Society build part. The output seal of my charged beta. 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
- 1 in table
Notes
- A bought seal drawn as the space it takes: Ø22 × 7 case, the lip on the Ø8 shaft. The same bore as a 608 bearing, so one Ø22 bore takes both.
Sizes
| d | D | b |
|---|---|---|
| 8 | 22 | 7 |
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 |
|---|---|---|---|---|
| case OD | Ø22 × 7 | cap bore Ø22 | press | all |
| lip | Ø8 | Ø8 crank shaft | run | all |
Where the files are
Other publishers' files are linked, not hosted. "verify" = check the license at the link before commercial use.
| ISO | ISO 6194-1 Rotary shaft lip-type seals: nominal dimensions (8 × 22 × 7 is a listed size) | standard | dimensions are facts verify |
| Long Earth Society | Engine 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
| shaft-seal-8x22x7 | rotary shaft seal 8 × 22 × 7 envelope: case Ø22 × 7, lip bore Ø8, Ø16 × 4 recess on the air side | STEP · STL |
Plain text: sheet.txt · JSON: /api/geometry?object=rotary-shaft-seal-8x22x7

How it fits
In these build lists
Tri-clamp charged beta, 2 inA standing beta that holds a charge: the same hot spool, liner, regenerator and …You might also need
Questions
Which way round?
Lip toward the pressure: the case's plain face toward the crankcase.

