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Pololu Wheel 90×10 mm (item 1435): tire, rim, 3 mm D-bore and hub mounting holes
What are the Pololu Wheel 90×10 mm dimensions, bore and hub mounting-hole positions? · Modern device · basis: Pololu's own STEP model of the 90×10 mm wheel, checked against the Pololu wheel dimension diagram.
Also called: Pololu Wheel 90x10mm, Pololu 1435, Pololu 1436, Pololu 1439, pololu wheel 90x10mm pair black, rover wheel, pololu micro metal gearmotor wheel, pololu 90mm wheel
Exact dimensions. Every file is drawn at true size with no tolerance added. The holes and pins that meet another part are listed below under Mating features, with the fit each joint needs; open those by your process's clearance before making the part. Mating features
- length
- 90.0 mm
- width
- 90.0 mm
- height
- 11.75 mm
Notes
- Datum: wheel axis on Z, rear hub boss on z=0, centre of the D-bore at x=0, y=0; same geometry for every colour (items 1435–1439).
- Tire Ø90.0 × 7.3 wide on a rim Ø80.0 × 10.0 wide; the rear boss Ø6.6 protrudes 1.75 below the rim.
- Hub bore: 3.0 mm D-bore with the flat 1.0 mm from the axis, through the full hub.
- Six Ø3.1 mounting holes through the hub (5.0 deep) on a Ø19.05 bolt circle: (0, ±6.35) and (±8.25, ±4.76).
- Modelled: tire, rim, inner flange, six spokes, hub disc Ø32.0 and boss Ø16.0. Not modelled: tread detail, the R2.5 rounds in the spoke openings and small hub fillets.
- All dimensions are exact nominal mm.
Pololu Wheel 90×10 mm (item 1435): tire, rim, 3 mm D-bore and hub… size chart
| hole | x (mm) | y (mm) | diameter (mm) |
|---|---|---|---|
| 1 | 0 | 6.35 | 3.1 |
| 2 | 0 | -6.35 | 3.1 |
| 3 | 8.25 | 4.76 | 3.1 |
| 4 | 8.25 | -4.76 | 3.1 |
| 5 | -8.25 | 4.76 | 3.1 |
| 6 | -8.25 | -4.76 | 3.1 |
Mating features
Drawn at the exact size. Open press, slide, run and socket features by your process's clearance (tolerances by process); leave designed gaps and clamp fits as drawn.
| feature | exact | mates with | fit | files |
|---|---|---|---|---|
| D-shaft bore | Ø3.0 D, flat 1.0 from axis | 3 mm D-shaft of a Pololu micro metal gearmotor | press | all |
| Hub mounting holes | 6 × Ø3.1 on Ø19.05 bolt circle | M3 screws into a hub adapter or bracket | designed | all |
| Tire | Ø90.0 × 7.3 wide | wheel well / ground clearance of the chassis | designed | all |
Where the files are
Other publishers' files are linked, not hosted. "verify" = check the license at the link before commercial use.
| Pololu | Pololu Wheel 90×10mm 3D model (STEP) | web | Publisher's page; dimensions are facts |
| Pololu | Pololu wheel dimensions diagram (PDF) | web | Publisher's page; dimensions are facts |
| Pololu | Pololu Wheel 90×10mm Pair – Black (item 1435) | web | Publisher's page; dimensions are facts |
Free files
★ Free files 1 parts. Generated by Xem Studio from the standard; threads are plain cylinders at major diameter. CC BY 4.0. index.json
| pololu-wheel-90x10mm | Pololu Wheel 90×10 mm (item 1435): tire, rim, 3 mm D-bore and hub mounting holes | STEP · STL |
https://xemstudio.com/mcp to Claude, ChatGPT, Cursor or any MCP client (free, no account, one minute) and it can look up exact sizes, mating fits and free STEP/STL from every chat.Plain text: sheet.txt · JSON: /api/geometry?object=pololu-wheel-90x10mm
Fits with
Questions
What shaft does the Pololu 90×10 mm wheel fit?
A 3 mm D-shaft: the bore is Ø3.0 with the flat 1.0 mm from the axis, as on Pololu micro metal gearmotors.
Where are the hub mounting holes?
Six Ø3.1 holes on a Ø19.05 bolt circle at (0, ±6.35) and (±8.25, ±4.76) from the bore centre.
How wide is the wheel?
The tire is Ø90.0 × 7.3 mm; the rim is 10.0 mm wide and the overall hub-to-rim width is 11.75 mm.