Radial shaft seal 12 × 22 × 7 (envelope) — dimension sheet
Source: Xem Studio, https://xemstudio.com/objects/radial-shaft-seal-12x22x7/  (CC BY 4.0)
Basis: Envelope at the listed size: shaft 12, housing bore 22, width 7
Catalog version: 2026-10-20

Sizes: see table below
- Envelope only: the space the seal takes in its housing. Elastomer lip seals in this size are made for low pressure; a seal on a pressurised crankcase has to be one rated for that pressure.

d_mm  D_mm  b_mm
12  22  7

Files elsewhere (not hosted by Xem Studio; license as stated by the publisher):
- Tameson (product listing): Rotary shaft seal 12 × 22 × 7 mm (DIN 3760 sizes) — web — vendor page; dimensions are facts [verify license at link] — https://tameson.com/products/s2avq-x20-nbr-design-a-rotary-shaft-seal-12x22x7mm-20-pieces

Free files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/radial-shaft-seal-12x22x7/index.json
API: https://xemstudio.com/api/geometry?object=radial-shaft-seal-12x22x7