Rotary shaft lip seal 8 × 22 × 7 (envelope) — dimension sheet
Source: Xem Studio, https://xemstudio.com/objects/rotary-shaft-seal-8x22x7/  (CC BY 4.0)
Basis: ISO 6194-1 nominal size 8 × 22 × 7; drawn as an envelope (case, lip bore, recess)
Catalog version: 2026-10-20

Sizes: see table below
- 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.

d  D  b
8  22  7

Files elsewhere (not hosted by Xem Studio; license as stated by the publisher):
- ISO: ISO 6194-1 Rotary shaft lip-type seals: nominal dimensions (8 × 22 × 7 is a listed size) — standard — dimensions are facts [verify license at link] — https://www.iso.org/standard/41300.html
- Long Earth Society: Engine builds — web, video — LES site — https://longearthsociety.com/engineering/

Free files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/rotary-shaft-seal-8x22x7/index.json
API: https://xemstudio.com/api/geometry?object=rotary-shaft-seal-8x22x7