{
 "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": "spherical-plain-bearings-ge-e-series",
 "name": "Spherical plain bearings GE..E (GE6E to GE30ES): bore, outside diameter, widths, ball diameter, tilt angle + STEP/STL",
 "kind": "standard",
 "category": "Hardware",
 "group": "Bearings, rails & motion",
 "year": null,
 "question": "What are the dimensions of GE6E, GE8E, GE10E, GE12E and GE15ES spherical plain bearings: bore, outside diameter, widths and tilt angle?",
 "tags": [
  "spherical bearing",
  "ge10e",
  "ge12e",
  "ge8e",
  "plain bearing",
  "rod end",
  "heim joint",
  "iso 12240"
 ],
 "aliases": [
  "ge6e dimensions",
  "ge8e dimensions",
  "ge10e dimensions",
  "ge12e dimensions",
  "ge15es dimensions",
  "ge16es dimensions",
  "ge20es dimensions",
  "ge25es dimensions",
  "ge30es dimensions",
  "spherical plain bearing 10mm",
  "ge10e 10x19x9",
  "ge12e 12x22x10",
  "ge8e 8x16x8",
  "ball joint bearing 12mm",
  "iso 12240-1 e series",
  "spherical bearing step file"
 ],
 "overall_mm": {
  "length": null,
  "width": null,
  "height": null
 },
 "official_cad": false,
 "xem_status": "free-files",
 "les": false,
 "free_files": 10,
 "url": "https://xemstudio.com/objects/spherical-plain-bearings-ge-e-series/",
 "sheet_txt": "https://xemstudio.com/objects/spherical-plain-bearings-ge-e-series/sheet.txt",
 "sheet": {
  "basis": "INA GE..-DO table via Ignera; Kinex and Emerson agree; McMaster-Carr rod-end listing linked for CAD",
  "overall_mm": {
   "length": null,
   "width": null,
   "height": null
  },
  "notes": [
   "GE..E (E series, ISO 12240-1) spherical plain bearings: a steel ball with a bore inside a steel outer ring, free to swivel in all directions; the ball is wider than the ring (B > C). They sit in rod ends, pivots and linkages. 'E' = standard series; the source table is the DO (maintenance-free) variant, listed with the E / ES names.",
   "Numbers: INA's GE..-DO table (d, D, B, C, dK, α); Kinex agrees on every row and adds the 5 mm size; Emerson Bearing confirms spot sizes. The 5 mm row (GE5E) is Kinex only. Tolerances (INA, same numbers): d 0 / −0.008 mm up to 17 mm, 0 / −0.01 mm for 20 to 30 mm; D 0 / −0.008 mm to 0 / −0.011 mm; B 0 / −0.12 mm; C 0 / −0.24 mm.",
   "Files: 10 solids (GE6E to GE30ES) as ball + outer ring fused: the ball dK cut to width B with the bore d, the ring D × C with its inner surface following the ball sphere. This is an envelope: the working gap, lube groove and slot are not drawn, and because the ball touches the ring it is one solid and does not swivel in the CAD.",
   "Left out: GE..-FO, GE..-LO, GE..-UK and maintenance-free liners, wide series GEG / GEH, load ratings, inch sizes."
  ],
  "table": {
   "columns": [
    "bearing",
    "bore d, mm",
    "outside Ø D, mm",
    "inner ring width B, mm",
    "outer ring width C, mm",
    "ball Ø dK, mm",
    "tilt angle α"
   ],
   "rows": [
    [
     "GE5E",
     "5",
     "14",
     "6",
     "4",
     "10",
     "13°"
    ],
    [
     "GE6E",
     "6",
     "14",
     "6",
     "4",
     "10",
     "13°"
    ],
    [
     "GE8E",
     "8",
     "16",
     "8",
     "5",
     "13",
     "15°"
    ],
    [
     "GE10E",
     "10",
     "19",
     "9",
     "6",
     "16",
     "12°"
    ],
    [
     "GE12E",
     "12",
     "22",
     "10",
     "7",
     "18",
     "11°"
    ],
    [
     "GE15ES",
     "15",
     "26",
     "12",
     "9",
     "22",
     "8°"
    ],
    [
     "GE16ES",
     "16",
     "30",
     "14",
     "10",
     "25",
     "10°"
    ],
    [
     "GE17ES",
     "17",
     "30",
     "14",
     "10",
     "25",
     "10°"
    ],
    [
     "GE20ES",
     "20",
     "35",
     "16",
     "12",
     "29",
     "9°"
    ],
    [
     "GE25ES",
     "25",
     "42",
     "20",
     "16",
     "35.5",
     "7°"
    ],
    [
     "GE30ES",
     "30",
     "47",
     "22",
     "18",
     "40.7",
     "6°"
    ]
   ]
  }
 },
 "sheet_text": "Spherical plain bearings GE..E (GE6E to GE30ES): bore, outside diameter, widths, ball diameter, tilt angle + STEP/STL — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/spherical-plain-bearings-ge-e-series/  (sheet CC BY 4.0)\nBasis: INA GE..-DO table via Ignera; Kinex and Emerson agree; McMaster-Carr rod-end listing linked for CAD\nCatalog version: 2026-10-20\n\nSizes: see table below\n- GE..E (E series, ISO 12240-1) spherical plain bearings: a steel ball with a bore inside a steel outer ring, free to swivel in all directions; the ball is wider than the ring (B > C). They sit in rod ends, pivots and linkages. 'E' = standard series; the source table is the DO (maintenance-free) variant, listed with the E / ES names.\n- Numbers: INA's GE..-DO table (d, D, B, C, dK, α); Kinex agrees on every row and adds the 5 mm size; Emerson Bearing confirms spot sizes. The 5 mm row (GE5E) is Kinex only. Tolerances (INA, same numbers): d 0 / −0.008 mm up to 17 mm, 0 / −0.01 mm for 20 to 30 mm; D 0 / −0.008 mm to 0 / −0.011 mm; B 0 / −0.12 mm; C 0 / −0.24 mm.\n- Files: 10 solids (GE6E to GE30ES) as ball + outer ring fused: the ball dK cut to width B with the bore d, the ring D × C with its inner surface following the ball sphere. This is an envelope: the working gap, lube groove and slot are not drawn, and because the ball touches the ring it is one solid and does not swivel in the CAD.\n- Left out: GE..-FO, GE..-LO, GE..-UK and maintenance-free liners, wide series GEG / GEH, load ratings, inch sizes.\n\nbearing  bore d, mm  outside Ø D, mm  inner ring width B, mm  outer ring width C, mm  ball Ø dK, mm  tilt angle α\nGE5E  5  14  6  4  10  13°\nGE6E  6  14  6  4  10  13°\nGE8E  8  16  8  5  13  15°\nGE10E  10  19  9  6  16  12°\nGE12E  12  22  10  7  18  11°\nGE15ES  15  26  12  9  22  8°\nGE16ES  16  30  14  10  25  10°\nGE17ES  17  30  14  10  25  10°\nGE20ES  20  35  16  12  29  9°\nGE25ES  25  42  20  16  35.5  7°\nGE30ES  30  47  22  18  40.7  6°\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- Schaeffler / INA (hosted by Ignera): Radial spherical plain bearings GE..-DO, DIN ISO 12240-1 series E: d, D, B, C, dK, tilt angle — web — Publisher's page; dimensions are facts — https://www.ignera.lt/image/catalog/product/ina-fag-plain-bearings-parameters.pdf\n- Kinex: Radial spherical plain bearings GE5E to GE30ES: d, D, B, C, dK, tilt angle — web — Publisher's page; dimensions are facts — https://www.kinex.sk/products/spherical-plain-radial-bearings/\n- Emerson Bearing: GE metric spherical bushings GE12E to GE30ES: bore, OD, width, outer ring width — web — Publisher's page; dimensions are facts — https://products.emersonbearing.com/printitems/rod-ends-spherical-bushings/ge-metric-spherical-bushings?plpver=10\n- McMaster-Carr: Ball joint rod ends (free STEP/IGES per part, for your own design use; no redistribution) — STEP, IGES, PDF — McMaster-Carr site terms: personal design use, no redistribution [verify license at link] — https://www.mcmaster.com/ball-joint-rod-ends\n\nFree files (CC BY 4.0, Xem Studio; STEP + STL, 10 parts): https://xemstudio.com/files/hardware/spherical-plain-bearings-ge-e-series/index.json\nAPI: https://xemstudio.com/api/geometry?object=spherical-plain-bearings-ge-e-series\n",
 "sources": [
  {
   "publisher": "Schaeffler / INA (hosted by Ignera)",
   "title": "Radial spherical plain bearings GE..-DO, DIN ISO 12240-1 series E: d, D, B, C, dK, tilt angle",
   "url": "https://www.ignera.lt/image/catalog/product/ina-fag-plain-bearings-parameters.pdf",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "Kinex",
   "title": "Radial spherical plain bearings GE5E to GE30ES: d, D, B, C, dK, tilt angle",
   "url": "https://www.kinex.sk/products/spherical-plain-radial-bearings/",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "Emerson Bearing",
   "title": "GE metric spherical bushings GE12E to GE30ES: bore, OD, width, outer ring width",
   "url": "https://products.emersonbearing.com/printitems/rod-ends-spherical-bushings/ge-metric-spherical-bushings?plpver=10",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "McMaster-Carr",
   "title": "Ball joint rod ends (free STEP/IGES per part, for your own design use; no redistribution)",
   "url": "https://www.mcmaster.com/ball-joint-rod-ends",
   "formats": [
    "STEP",
    "IGES",
    "PDF"
   ],
   "license": "McMaster-Carr site terms: personal design use, no redistribution",
   "license_verified": false,
   "hosted": false
  }
 ],
 "xem": {
  "status": "free-files",
  "sheet_free": true,
  "mesh_price_usd": null,
  "step_price_usd": null,
  "tolerance_mm": null
 },
 "related": [
  "rod-ends-din-iso-12240-4",
  "clevis-pins",
  "ball-bearings-metric",
  "pillow-block-kp08",
  "needle-roller-bearings-hk-series",
  "sintered-bushings-iso-2795"
 ],
 "fits": [],
 "dimensions": "exact (nominal, no tolerance added)",
 "dimension_rule": "All geometry on Xem Studio is exact (nominal, true size) with no tolerance added. 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. Typical accuracy by process and ISO 286 fits: https://xemstudio.com/tolerances/",
 "mating": [
  {
   "feature": "bore d",
   "exact": "Ø6 to Ø30 (files GE6E to GE30ES)",
   "mates": "pin or bolt of the same nominal diameter through the ball",
   "fit": "slide",
   "files": "ge"
  },
  {
   "feature": "outside Ø D",
   "exact": "Ø14 to Ø47",
   "mates": "housing bore of the same nominal diameter; width C of the outer ring sets the housing seat",
   "fit": "press",
   "files": "ge"
  }
 ],
 "fit_classes": {
  "press": "stays put: pin, tube, bearing or magnet held by interference. ISO 286 equivalent: H7/p6 (locational interference) or tighter.",
  "slide": "assembles by hand and is held by a grub, pinch or clamp: shaft in a hub, rod in a socket, spigot in a bore. ISO 286 equivalent: H7/g6 or H7/h6.",
  "run": "turns or slides in use: pin in a link, rod through a guide. ISO 286 equivalent: H8/f7 (close running).",
  "socket": "large sliding fit: syringe barrel, sleeve, bobbin in a bore. ISO 286 equivalent: H9/d9 (free running) or looser.",
  "clamp": "split part that closes on the mating part with screws: make it at size.",
  "designed": "a gap that is part of the design (piston fit option, displacer gap, air gap): do not change."
 },
 "faq": [
  {
   "q": "What are the dimensions of a GE10E?",
   "a": "Bore 10, OD 19, inner ring width 9, outer ring width 6, ball Ø16, tilt angle 12°."
  },
  {
   "q": "What are the dimensions of a GE12E?",
   "a": "12 × 22 × 10 (outer ring 7 wide), ball Ø18, tilt 11°."
  },
  {
   "q": "What is a GE15ES?",
   "a": "15 mm bore, 26 mm OD, inner ring 12 wide, outer ring 9 wide, ball Ø22, tilt 8°."
  },
  {
   "q": "What is a GE8E?",
   "a": "8 mm bore, 16 mm OD, 8 wide (outer ring 5), ball Ø13, 15° tilt."
  }
 ],
 "files_license": null,
 "offers": [
  {
   "file": "ge6e-spherical-plain-bearing-6x14x6",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/spherical-plain-bearings-ge-e-series/ge6e-spherical-plain-bearing-6x14x6.step",
   "stl": "https://xemstudio.com/files/hardware/spherical-plain-bearings-ge-e-series/ge6e-spherical-plain-bearing-6x14x6.stl",
   "note": "GE6E spherical plain bearing envelope: bore Ø6, outer ring Ø14 × 4, inner ball Ø10 cut to 6 wide; ball and ring fused as one solid (the sliding gap and the lubrication groove are not drawn); nominal values"
  },
  {
   "file": "ge8e-spherical-plain-bearing-8x16x8",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/spherical-plain-bearings-ge-e-series/ge8e-spherical-plain-bearing-8x16x8.step",
   "stl": "https://xemstudio.com/files/hardware/spherical-plain-bearings-ge-e-series/ge8e-spherical-plain-bearing-8x16x8.stl",
   "note": "GE8E spherical plain bearing envelope: bore Ø8, outer ring Ø16 × 5, inner ball Ø13 cut to 8 wide; ball and ring fused as one solid (the sliding gap and the lubrication groove are not drawn); nominal values"
  },
  {
   "file": "ge10e-spherical-plain-bearing-10x19x9",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/spherical-plain-bearings-ge-e-series/ge10e-spherical-plain-bearing-10x19x9.step",
   "stl": "https://xemstudio.com/files/hardware/spherical-plain-bearings-ge-e-series/ge10e-spherical-plain-bearing-10x19x9.stl",
   "note": "GE10E spherical plain bearing envelope: bore Ø10, outer ring Ø19 × 6, inner ball Ø16 cut to 9 wide; ball and ring fused as one solid (the sliding gap and the lubrication groove are not drawn); nominal values"
  },
  {
   "file": "ge12e-spherical-plain-bearing-12x22x10",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/spherical-plain-bearings-ge-e-series/ge12e-spherical-plain-bearing-12x22x10.step",
   "stl": "https://xemstudio.com/files/hardware/spherical-plain-bearings-ge-e-series/ge12e-spherical-plain-bearing-12x22x10.stl",
   "note": "GE12E spherical plain bearing envelope: bore Ø12, outer ring Ø22 × 7, inner ball Ø18 cut to 10 wide; ball and ring fused as one solid (the sliding gap and the lubrication groove are not drawn); nominal values"
  },
  {
   "file": "ge15es-spherical-plain-bearing-15x26x12",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/spherical-plain-bearings-ge-e-series/ge15es-spherical-plain-bearing-15x26x12.step",
   "stl": "https://xemstudio.com/files/hardware/spherical-plain-bearings-ge-e-series/ge15es-spherical-plain-bearing-15x26x12.stl",
   "note": "GE15ES spherical plain bearing envelope: bore Ø15, outer ring Ø26 × 9, inner ball Ø22 cut to 12 wide; ball and ring fused as one solid (the sliding gap and the lubrication groove are not drawn); nominal values"
  },
  {
   "file": "ge16es-spherical-plain-bearing-16x30x14",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/spherical-plain-bearings-ge-e-series/ge16es-spherical-plain-bearing-16x30x14.step",
   "stl": "https://xemstudio.com/files/hardware/spherical-plain-bearings-ge-e-series/ge16es-spherical-plain-bearing-16x30x14.stl",
   "note": "GE16ES spherical plain bearing envelope: bore Ø16, outer ring Ø30 × 10, inner ball Ø25 cut to 14 wide; ball and ring fused as one solid (the sliding gap and the lubrication groove are not drawn); nominal values"
  },
  {
   "file": "ge17es-spherical-plain-bearing-17x30x14",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/spherical-plain-bearings-ge-e-series/ge17es-spherical-plain-bearing-17x30x14.step",
   "stl": "https://xemstudio.com/files/hardware/spherical-plain-bearings-ge-e-series/ge17es-spherical-plain-bearing-17x30x14.stl",
   "note": "GE17ES spherical plain bearing envelope: bore Ø17, outer ring Ø30 × 10, inner ball Ø25 cut to 14 wide; ball and ring fused as one solid (the sliding gap and the lubrication groove are not drawn); nominal values"
  },
  {
   "file": "ge20es-spherical-plain-bearing-20x35x16",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/spherical-plain-bearings-ge-e-series/ge20es-spherical-plain-bearing-20x35x16.step",
   "stl": "https://xemstudio.com/files/hardware/spherical-plain-bearings-ge-e-series/ge20es-spherical-plain-bearing-20x35x16.stl",
   "note": "GE20ES spherical plain bearing envelope: bore Ø20, outer ring Ø35 × 12, inner ball Ø29 cut to 16 wide; ball and ring fused as one solid (the sliding gap and the lubrication groove are not drawn); nominal values"
  },
  {
   "file": "ge25es-spherical-plain-bearing-25x42x20",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/spherical-plain-bearings-ge-e-series/ge25es-spherical-plain-bearing-25x42x20.step",
   "stl": "https://xemstudio.com/files/hardware/spherical-plain-bearings-ge-e-series/ge25es-spherical-plain-bearing-25x42x20.stl",
   "note": "GE25ES spherical plain bearing envelope: bore Ø25, outer ring Ø42 × 16, inner ball Ø35.5 cut to 20 wide; ball and ring fused as one solid (the sliding gap and the lubrication groove are not drawn); nominal values"
  },
  {
   "file": "ge30es-spherical-plain-bearing-30x47x22",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/spherical-plain-bearings-ge-e-series/ge30es-spherical-plain-bearing-30x47x22.step",
   "stl": "https://xemstudio.com/files/hardware/spherical-plain-bearings-ge-e-series/ge30es-spherical-plain-bearing-30x47x22.stl",
   "note": "GE30ES spherical plain bearing envelope: bore Ø30, outer ring Ø47 × 18, inner ball Ø40.7 cut to 22 wide; ball and ring fused as one solid (the sliding gap and the lubrication groove are not drawn); nominal values"
  }
 ],
 "markdown": "https://xemstudio.com/objects/spherical-plain-bearings-ge-e-series/index.md"
}