{
 "version": "2026-10-20",
 "license": "Dimension sheets: CC BY 4.0. Standard and published-size files: CC BY 4.0. Xem Studio's own designs (files_license = Xem Studio Design License): free to use and sell things from, not to redistribute as files — https://xemstudio.com/license/. Other publishers' files: their own license, linked beside them.",
 "slug": "raboesch-shaft-m5-ball-bearing-290mm-rb301-08",
 "name": "Raboesch M5 stern tube with ball bearing, shaft 290 mm (rb301-08)",
 "kind": "modern",
 "category": "RC boats",
 "group": "Props and drive hardware",
 "year": null,
 "question": "What are the dimensions of the Raboesch M5 ball-bearing shaft 290 mm?",
 "tags": [
  "rc boat",
  "radio control boat",
  "model boat",
  "hobby rc",
  "props and drive hardware"
 ],
 "aliases": [
  "raboesch rb301-08",
  "raboesch m5 shaft 290",
  "m5 stern tube ball bearing",
  "5mm prop shaft rc boat",
  "rc boat stuffing tube 8mm",
  "raboesch stevenrohr m5",
  "stevenrohr kugellager m5",
  "tubo de bocina m5",
  "raboesch wellenanlage 290 mm"
 ],
 "overall_mm": {
  "length": 8,
  "width": 8,
  "height": 290
 },
 "official_cad": false,
 "xem_status": "free-files",
 "les": false,
 "free_files": 2,
 "url": "https://xemstudio.com/objects/raboesch-shaft-m5-ball-bearing-290mm-rb301-08/",
 "sheet_txt": "https://xemstudio.com/objects/raboesch-shaft-m5-ball-bearing-290mm-rb301-08/sheet.txt",
 "sheet": {
  "basis": "Secondary source: Lindinger (Raboesch distributor) (copy of the maker's figures; the maker publishes none directly)",
  "overall_mm": {
   "length": 8,
   "width": 8,
   "height": 290
  },
  "notes": [
   "A Raboesch ball-bearing stern tube for larger scale boats. The file models the Ø8 × 240 mm tube on a Ø5 × 290 mm shaft.",
   "Figures are from Lindinger (Krick/Raboesch distributor), using Raboesch's lettered drawing dimensions.",
   "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."
  ],
  "table": {
   "columns": [
    "dimension",
    "value"
   ],
   "rows": [
    [
     "Tube length (A)",
     "max 240 mm"
    ],
    [
     "Tube diameter (C)",
     "8 mm"
    ],
    [
     "Shaft diameter (D)",
     "5 mm"
    ],
    [
     "Shaft length (B)",
     "max 290 mm"
    ],
    [
     "Propeller thread (E)",
     "M5"
    ],
    [
     "Bearings",
     "ball bearing motor side, Delrin bush prop side"
    ],
    [
     "Manufacturer no.",
     "rb301-08"
    ]
   ]
  }
 },
 "sheet_text": "Raboesch M5 stern tube with ball bearing, shaft 290 mm (rb301-08) — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/raboesch-shaft-m5-ball-bearing-290mm-rb301-08/  (sheet CC BY 4.0)\nBasis: Secondary source: Lindinger (Raboesch distributor) (copy of the maker's figures; the maker publishes none directly)\nCatalog version: 2026-10-20\n\nOverall (mm): length 8, width 8, height 290\n- A Raboesch ball-bearing stern tube for larger scale boats. The file models the Ø8 × 240 mm tube on a Ø5 × 290 mm shaft.\n- Figures are from Lindinger (Krick/Raboesch distributor), using Raboesch's lettered drawing dimensions.\n- True size, no printing tolerance added. Only published numbers are used; anything not published is said so.\n- Secondary source: the numbers come from a retailer or magazine copy of the maker's specification.\n\ndimension  value\nTube length (A)  max 240 mm\nTube diameter (C)  8 mm\nShaft diameter (D)  5 mm\nShaft length (B)  max 290 mm\nPropeller thread (E)  M5\nBearings  ball bearing motor side, Delrin bush prop side\nManufacturer no.  rb301-08\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- Lindinger (Raboesch distributor): RABOESCH Shaft M5 ball bearing lg 290mm — web — Publisher's page; dimensions are facts — https://lindinger.at/en/CARS-BOATS/ACCESSORIES/Boat-Accessories/Drive-Shafts/RABOESCH-Shaft-M5-ball-bearing-lg-290mm/9790052\n\nFree files (CC BY 4.0, Xem Studio; STEP + STL, 2 parts): https://xemstudio.com/files/hardware/raboesch-shaft-m5-ball-bearing-290mm-rb301-08/index.json\nAPI: https://xemstudio.com/api/geometry?object=raboesch-shaft-m5-ball-bearing-290mm-rb301-08\n",
 "sources": [
  {
   "publisher": "Lindinger (Raboesch distributor)",
   "title": "RABOESCH Shaft M5 ball bearing lg 290mm",
   "url": "https://lindinger.at/en/CARS-BOATS/ACCESSORIES/Boat-Accessories/Drive-Shafts/RABOESCH-Shaft-M5-ball-bearing-lg-290mm/9790052",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  }
 ],
 "xem": {
  "status": "free-files",
  "sheet_free": true,
  "mesh_price_usd": null,
  "step_price_usd": null,
  "tolerance_mm": null
 },
 "related": [
  "romarin-stern-tube-90mm-m4-ro1441",
  "romarin-stern-tube-175mm-m4-ro1442",
  "romarin-stern-tube-235mm-m4-ro1444",
  "raboesch-154-2-blade-30mm-m4-prop-rb154-02a"
 ],
 "fits": [],
 "dimensions": "exact (nominal, no printing tolerance)",
 "dimension_rule": "All geometry on Xem Studio is exact (nominal, true size) with no printing tolerance. Where a part meets another part, the object lists its mating features (feature, exact size, what it mates with, fit class: press, slide, run, socket, clamp or designed). Apply your process's allowance to those features only; 'designed' gaps are part of the design and stay as drawn.",
 "mating": [],
 "faq": [
  {
   "q": "What prop thread does the Raboesch rb301-08 have?",
   "a": "M5, on a 5 mm shaft."
  }
 ],
 "files_license": null,
 "offers": [
  {
   "file": "raboesch-shaft-m5-ball-bearing-290mm-rb301-08-tube-envelope",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/raboesch-shaft-m5-ball-bearing-290mm-rb301-08/raboesch-shaft-m5-ball-bearing-290mm-rb301-08-tube-envelope.step",
   "stl": "https://xemstudio.com/files/hardware/raboesch-shaft-m5-ball-bearing-290mm-rb301-08/raboesch-shaft-m5-ball-bearing-290mm-rb301-08-tube-envelope.stl",
   "note": "Stern tube Ø8 × 240 mm outside envelope (bore not published)"
  },
  {
   "file": "raboesch-shaft-m5-ball-bearing-290mm-rb301-08-shaft",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/raboesch-shaft-m5-ball-bearing-290mm-rb301-08/raboesch-shaft-m5-ball-bearing-290mm-rb301-08-shaft.step",
   "stl": "https://xemstudio.com/files/hardware/raboesch-shaft-m5-ball-bearing-290mm-rb301-08/raboesch-shaft-m5-ball-bearing-290mm-rb301-08-shaft.stl",
   "note": "Shaft Ø5 × 290 mm (prop thread not modelled; overhang split not published)"
  }
 ],
 "markdown": "https://xemstudio.com/objects/raboesch-shaft-m5-ball-bearing-290mm-rb301-08/index.md"
}