{
 "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": "gt2-closed-loop-belt-lengths",
 "name": "GT2 (2GT) closed-loop timing belts, 6 mm wide: standard lengths and tooth counts, 110 to 1524 mm",
 "kind": "standard",
 "category": "Hardware",
 "group": "Bearings, rails & motion",
 "year": null,
 "question": "What closed-loop GT2 belt lengths exist and how many teeth does each have?",
 "tags": [
  "gt2",
  "2gt",
  "belt",
  "closed loop",
  "timing belt",
  "3d printer",
  "cnc"
 ],
 "aliases": [
  "gt2 belt lengths",
  "gt2 closed loop belt 200mm",
  "gt2 belt 400mm 200 teeth",
  "gt2 belt 6mm lengths",
  "gt2 belt 158mm",
  "gt2 closed loop 280",
  "2gt belt standard lengths",
  "gt2 belt 610",
  "gt2 belt teeth count",
  "2gt-6 closed loop belt sizes",
  "gt2 belt 852"
 ],
 "overall_mm": {
  "length": null,
  "width": null,
  "height": null
 },
 "official_cad": false,
 "xem_status": "not-scanned",
 "les": false,
 "free_files": 0,
 "url": "https://xemstudio.com/objects/gt2-closed-loop-belt-lengths/",
 "sheet_txt": "https://xemstudio.com/objects/gt2-closed-loop-belt-lengths/sheet.txt",
 "sheet": {
  "basis": "Two shop lists: HC Maschinentechnik (19 lengths with teeth) and Tinytronics (9 lengths); teeth = length / 2",
  "overall_mm": {
   "length": null,
   "width": null,
   "height": null
  },
  "notes": [
   "Closed-loop (endless, welded or moulded) GT2 / 2GT belts, 2 mm pitch, 6 mm wide, in the lengths two shops list. Length is the pitch length (the cord line), so teeth = length / 2: HC Maschinentechnik prints the teeth for its 19 lengths and they equal length / 2, except that its description table lists 500 mm as 225 teeth while its length dropdown says 250 (500 / 2 = 250, which the table uses). Tinytronics prints lengths only (110, 158, 200, 280, 300, 320, 400, 610, 852 mm), so its teeth are length / 2 and not read from the shop.",
   "These are shop stock lists, not a Gates catalog: other closed-loop lengths exist (the 2MR family in Gates' own catalog was not readable). 6 mm is the width both lists give; 9 and 10 mm GT2 loops exist but no table was read for them.",
   "Two equal pulleys of N teeth and a belt of pitch length L: L = 2 C + pi x PD = 2 C + 2 N mm, so the centre distance is C = (L − 2 N) / 2 mm (pulley PD = N x 2 / pi).",
   "No files: a closed loop is a length and a pitch, nothing more to model."
  ],
  "table": {
   "columns": [
    "pitch length, mm",
    "teeth (length / 2)",
    "length, in",
    "listed by"
   ],
   "rows": [
    [
     110,
     55,
     "4.33",
     "Tinytronics"
    ],
    [
     122,
     61,
     "4.80",
     "HC Maschinentechnik"
    ],
    [
     140,
     70,
     "5.51",
     "HC Maschinentechnik"
    ],
    [
     158,
     79,
     "6.22",
     "both shops"
    ],
    [
     180,
     90,
     "7.09",
     "HC Maschinentechnik"
    ],
    [
     200,
     100,
     "7.87",
     "both shops"
    ],
    [
     232,
     116,
     "9.13",
     "HC Maschinentechnik"
    ],
    [
     260,
     130,
     "10.24",
     "HC Maschinentechnik"
    ],
    [
     280,
     140,
     "11.02",
     "Tinytronics"
    ],
    [
     300,
     150,
     "11.81",
     "Tinytronics"
    ],
    [
     320,
     160,
     "12.60",
     "both shops"
    ],
    [
     350,
     175,
     "13.78",
     "HC Maschinentechnik"
    ],
    [
     400,
     200,
     "15.75",
     "both shops"
    ],
    [
     450,
     225,
     "17.72",
     "HC Maschinentechnik"
    ],
    [
     500,
     250,
     "19.69",
     "HC Maschinentechnik"
    ],
    [
     600,
     300,
     "23.62",
     "HC Maschinentechnik"
    ],
    [
     610,
     305,
     "24.02",
     "Tinytronics"
    ],
    [
     760,
     380,
     "29.92",
     "HC Maschinentechnik"
    ],
    [
     852,
     426,
     "33.54",
     "Tinytronics"
    ],
    [
     860,
     430,
     "33.86",
     "HC Maschinentechnik"
    ],
    [
     976,
     488,
     "38.43",
     "HC Maschinentechnik"
    ],
    [
     1220,
     610,
     "48.03",
     "HC Maschinentechnik"
    ],
    [
     1360,
     680,
     "53.54",
     "HC Maschinentechnik"
    ],
    [
     1524,
     762,
     "60.00",
     "HC Maschinentechnik"
    ]
   ]
  }
 },
 "sheet_text": "GT2 (2GT) closed-loop timing belts, 6 mm wide: standard lengths and tooth counts, 110 to 1524 mm — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/gt2-closed-loop-belt-lengths/  (sheet CC BY 4.0)\nBasis: Two shop lists: HC Maschinentechnik (19 lengths with teeth) and Tinytronics (9 lengths); teeth = length / 2\nCatalog version: 2026-10-20\n\nSizes: see table below\n- Closed-loop (endless, welded or moulded) GT2 / 2GT belts, 2 mm pitch, 6 mm wide, in the lengths two shops list. Length is the pitch length (the cord line), so teeth = length / 2: HC Maschinentechnik prints the teeth for its 19 lengths and they equal length / 2, except that its description table lists 500 mm as 225 teeth while its length dropdown says 250 (500 / 2 = 250, which the table uses). Tinytronics prints lengths only (110, 158, 200, 280, 300, 320, 400, 610, 852 mm), so its teeth are length / 2 and not read from the shop.\n- These are shop stock lists, not a Gates catalog: other closed-loop lengths exist (the 2MR family in Gates' own catalog was not readable). 6 mm is the width both lists give; 9 and 10 mm GT2 loops exist but no table was read for them.\n- Two equal pulleys of N teeth and a belt of pitch length L: L = 2 C + pi x PD = 2 C + 2 N mm, so the centre distance is C = (L − 2 N) / 2 mm (pulley PD = N x 2 / pi).\n- No files: a closed loop is a length and a pitch, nothing more to model.\n\npitch length, mm  teeth (length / 2)  length, in  listed by\n110  55  4.33  Tinytronics\n122  61  4.80  HC Maschinentechnik\n140  70  5.51  HC Maschinentechnik\n158  79  6.22  both shops\n180  90  7.09  HC Maschinentechnik\n200  100  7.87  both shops\n232  116  9.13  HC Maschinentechnik\n260  130  10.24  HC Maschinentechnik\n280  140  11.02  Tinytronics\n300  150  11.81  Tinytronics\n320  160  12.60  both shops\n350  175  13.78  HC Maschinentechnik\n400  200  15.75  both shops\n450  225  17.72  HC Maschinentechnik\n500  250  19.69  HC Maschinentechnik\n600  300  23.62  HC Maschinentechnik\n610  305  24.02  Tinytronics\n760  380  29.92  HC Maschinentechnik\n852  426  33.54  Tinytronics\n860  430  33.86  HC Maschinentechnik\n976  488  38.43  HC Maschinentechnik\n1220  610  48.03  HC Maschinentechnik\n1360  680  53.54  HC Maschinentechnik\n1524  762  60.00  HC Maschinentechnik\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- HC Maschinentechnik: GT2 closed timing belt 6 mm wide: lengths and teeth (122 to 1524 mm) — web — Publisher's page; dimensions are facts — https://hc-maschinentechnik.de/GT2-Closed-timing-belt-6mm-wide\n- Tinytronics: GT2 timing belts 6 mm wide, closed loop: 110, 158, 200, 280, 300, 320, 400, 610, 852 mm — web — Publisher's page; dimensions are facts — https://www.tinytronics.nl/en/3d-printing/parts/timing-belts\n\nNo true-size file yet: the published figures do not fix the whole shape; a measured scan is planned.\nAPI: https://xemstudio.com/api/geometry?object=gt2-closed-loop-belt-lengths\n",
 "sources": [
  {
   "publisher": "HC Maschinentechnik",
   "title": "GT2 closed timing belt 6 mm wide: lengths and teeth (122 to 1524 mm)",
   "url": "https://hc-maschinentechnik.de/GT2-Closed-timing-belt-6mm-wide",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "Tinytronics",
   "title": "GT2 timing belts 6 mm wide, closed loop: 110, 158, 200, 280, 300, 320, 400, 610, 852 mm",
   "url": "https://www.tinytronics.nl/en/3d-printing/parts/timing-belts",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  }
 ],
 "xem": {
  "status": "not-scanned",
  "sheet_free": true,
  "mesh_price_usd": null,
  "step_price_usd": null,
  "tolerance_mm": null
 },
 "related": [
  "gt2-timing-pulleys-18-60t-bores",
  "gt2-pulleys",
  "gt2-idler-pulleys-toothed-smooth",
  "timing-belt-profiles-pitch-and-tooth",
  "htd-3m-5m-belt-lengths",
  "pu-t5-at5-belt-lengths",
  "xl-timing-belt-lengths"
 ],
 "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": [],
 "faq": [
  {
   "q": "How many teeth is a 400 mm GT2 belt?",
   "a": "200 teeth (2 mm pitch)."
  },
  {
   "q": "What GT2 closed loop lengths are standard?",
   "a": "110, 122, 140, 158, 180, 200, 232, 260, 280, 300, 320, 350, 400, 450, 500, 600, 610, 760, 852, 860, 976, 1220, 1360 and 1524 mm are listed by the two shops read."
  },
  {
   "q": "How wide is a GT2 belt?",
   "a": "The loops read are 6 mm wide; 9 and 10 mm belts also exist but no table was read for them."
  }
 ],
 "files_license": null,
 "offers": [],
 "markdown": "https://xemstudio.com/objects/gt2-closed-loop-belt-lengths/index.md"
}