Romarin stern tube 235 mm with M4 shaft × 300 mm (ro1444) — dimension sheet
Source: Xem Studio, https://xemstudio.com/objects/romarin-stern-tube-235mm-m4-ro1444/  (sheet CC BY 4.0)
Basis: Secondary source: Lindinger (Krick distributor) (copy of the maker's figures; the maker publishes none directly)
Catalog version: 2026-10-20

Overall (mm): length 6, width 6, height 300
- A ready-made Romarin (Krick) stern tube for scale models: 235 mm tube, 6 mm diameter, carrying a 4 mm shaft 300 mm long with an M4 prop thread.
- Figures are from Lindinger (Krick distributor); whether 6 mm is the outside diameter is not stated, and the coupling-end thread is not published.
- True size, no printing tolerance added. Only published numbers are used; anything not published is said so.
- Secondary source: the numbers come from a retailer or magazine copy of the maker's specification.

dimension  value
Stern tube length  235 mm
Stern tube diameter  6 mm
Shaft diameter  4 mm
Shaft length  300 mm
Propeller thread  M4
Bearing  plain bearing
Manufacturer no.  ro1444

Files elsewhere (not hosted by Xem Studio; license as stated by the publisher):
- Lindinger (Krick distributor): ROMARIN Sterntube 235 shaft M4x300mm — web — Publisher's page; dimensions are facts — https://lindinger.at/en/CARS-BOATS/ACCESSORIES/Boat-Accessories/Drive-Shafts/ROMARIN-Sterntube-235-shaft-M4x300mm/9779949

Free files (CC BY 4.0, Xem Studio; STEP + STL, 2 parts): https://xemstudio.com/files/hardware/romarin-stern-tube-235mm-m4-ro1444/index.json
API: https://xemstudio.com/api/geometry?object=romarin-stern-tube-235mm-m4-ro1444