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Plastic Bevel Gears
  • Plastic Bevel GearsPlastic Bevel Gears
  • Plastic Bevel GearsPlastic Bevel Gears

Plastic Bevel Gears

Raydafon manufactures plastic bevel gears in Ningbo, China, moulded in POM and nylon for right-angle drives. Standard ratios are 1:1, 2:1, 3:1, 4:1 and 5:1; pitch modules M0.25 to M1; tooth counts 10 to 60; bore diameters 3.0 to 10.0 mm; outside diameters 8.7 to 60.4 mm; operating temperature −40 °C to +80 °C. Part numbers include GB05M016, GB1M016, GB1M016BS, GB1M215030, GB1M215030BS, GB1M315045, GB1M315045BS, GB1M410040, GB1M410040BS, GB1M512060, GB1M512060BS, GB1M512* and GB1M512BS*. BS suffix indicates a brass insert and set screw. Important: GB1M512* and GB1M512BS* match only with the 60-tooth bevel gear and are not compatible with other gears. Moulded tooth geometry gives quiet, tight mesh; the polymer is self-lubricating and chemical resistant. Custom module, tooth count, bore, hub and material grade available to drawing; quotation within 24 hours.

Plastic Bevel Gears — Custom Moulded POM & Nylon, M0.25 to M1

Right-angle drive gears for small precision mechanisms: a full ratio family from 1:1 to 5:1 with 10 to 60 teeth, moulded in POM or nylon, with optional brass insert and set screw. Quiet enough for coffee machines and printers, light enough for battery-powered devices, and supplied to drawing anywhere in the world.

  • 1:1 – 5:1Standard ratios
  • M0.25 – M1Pitch module (mod)
  • 10 – 60Tooth counts available
  • −40 to +80 °COperating temperature

Plastic Bevel Gears for Right-Angle Drives — Custom Moulded POM & Nylon

A plastic bevel gear turns a drive through 90 degrees using moulded polymer teeth instead of cut metal ones. That single change removes the need for lubrication, cuts the weight of the pair, and makes the mesh noticeably quieter — which is why the arrangement shows up in coffee machines, printers, curtain motors, robot vacuums and small remote-control vehicles. Raydafon produces this family as both manufacturer and supplier from its own factory in Ningbo, China, so there is no trading margin between you and the moulding machine.

Customisation covers the parameters that usually decide whether a gear fits: module, number of teeth, bore diameter, hub and boss dimensions, ratio, and the polymer itself. Send a drawing, a sample gear or even a photo with dimensions and we will confirm the closest standard part or quote a new tool. Related products from the same workshop include the wider plastic gear range, the plastic helical gear family for parallel-shaft drives, and the metal bevel gear line where torque exceeds what polymer can carry.

Plastic Bevel Gear Specifications

  • Standard dimension referenceΦ12 mm (also available in the sizes listed in the table below)
  • Pitch module (mod)M0.25, with 0.5 and 1.0 in the standard part range
  • Material typePlastic — POM, nylon (PA), or as customer required
  • Ratios1:1, 2:1, 3:1, 4:1, 5:1
  • Operating temperature−40 °C to +80 °C
  • Optional featuresBrass insert, set screw, custom bore and hub
  • CustomisationModule, tooth count, bore, boss length, tooth width, material grade
Plastic bevel gear reference drawing with pitch, bore, hub and boss dimensions
Reference geometry for the plastic bevel gear family — the dimension letters below correspond to this drawing.
1:1Equal speed, right-angle transfer
2:1Halve the output speed
3:1Third-speed reduction
4:1Quarter-speed reduction
5:1Fifth-speed reduction

Important matching note: the ratio mated pairs must be used together. The straight-tooth bevel gears in the 1:1 ratio are interchangeable within their ratio, but the 5:1 ratio parts whose part number ends in * (GB1M512* and GB1M512BS*) match only with the 60-tooth bevel gear — their geometry is not compatible with any other gear. Please confirm the mating part number before ordering.

Dimensions, Tooth Counts and Ratios

All dimensions in mm. Use the letters B, CD, C, E, F, G and H together with the reference drawing above to check fitment against your own layout.

Scroll the table sideways to read every column. The right-hand column shows the brass insert and set screw version for each part.

Part no. Pitch
(mod)
No. of
teeth
All dimensions in mm Brass insert
& set screw
Outside dia. Pitch dia. Bore dia. B CD Hub dia. C Boss length E Tooth width F Length G Length H
1:1 Ratio
GB05M016 0.5 16 8.7 8.0 3.0 10.5 7.0 6.0 2.0 8.0 8.0 Plastic bevel gear GB05M016 brass insert and set screw version
GB1M016 1 16 17.6 16 5.0 18.4 12.0 8.0 4.7 13.6 13.6 Plastic bevel gear GB1M016 with brass insert and set screw
GB1M016BS 1 16 17.6 16 5.0 18.4 16.0 8.0 4.7 13.6 13.6 Plastic bevel gear GB1M016BS brass insert and set screw
2:1 Ratio
GB1M215030 1 15 16.8 15.0 5.0 26.4 12.2 10.6 6.6 17.0 17.0 Plastic bevel gear GB1M215030 15 tooth brass insert version
30 31.1 30.0 8.0 20.9 18.0 9.1 6.6 14.8 16.2 Plastic bevel gear GB1M215030 30 tooth brass insert version
GB1M215030BS 1 15 16.8 15.0 5.0 26.4 16.0 10.6 6.6 17.0 17.0 Plastic bevel gear GB1M215030BS 15 tooth brass insert and set screw
30 31.1 30.0 4.0 20.9 18.0 9.1 6.6 14.8 16.2 Plastic bevel gear GB1M215030BS 30 tooth brass insert and set screw
3:1 Ratio
GB1M315045 1 15 16.6 15.0 5.0 34.3 12.3 11.0 9.2 — 20.4 Plastic bevel gear GB1M315045 15 tooth brass insert version
45 46.1 45.0 10.0 22.7 23.4 9.6 9.2 16.5 18.2 Plastic bevel gear GB1M315045 45 tooth brass insert version
GB1M315045BS 1 15 16.6 15.0 5.0 34.3 16.0 11.0 9.2 — 20.4 Plastic bevel gear GB1M315045BS 15 tooth brass insert and set screw
45 46.1 45.0 6.0 22.7 23.4 9.6 9.2 16.5 18.2 Plastic bevel gear GB1M315045BS 45 tooth brass insert and set screw
4:1 Ratio
GB1M410040 1 10 12.0 10.0 4.0 30.1 7.8 9.3 8.2 — 17.7 Plastic bevel gear GB1M410040 10 tooth brass insert version
40 40.8 40.0 10.0 20.1 23.4 10.8 8.2 15.7 17.0 Plastic bevel gear GB1M410040 40 tooth brass insert version
GB1M410040BS 1 10 12.0 10.0 4.0 30.1 12.7 9.3 8.2 — 17.7 Plastic bevel gear GB1M410040BS 10 tooth brass insert and set screw
40 40.8 40.0 6.0 20.1 23.4 10.8 8.2 15.7 17.0 Plastic bevel gear GB1M410040BS 40 tooth brass insert and set screw
5:1 Ratio
GB1M512060 1 12 13.7 12.0 4.0 40.5 9.5 10.0 9.5 — 20.3 Plastic bevel gear GB1M512060 12 tooth brass insert version
60 60.4 60 10.0 21.0 20.5 11.0 9.5 15.5 17.4 Plastic bevel gear GB1M512060 60 tooth brass insert version
GB1M512060BS 1 12 13.7 12.0 4.0 40.5 14.3 10.0 9.5 — 20.3 Plastic bevel gear GB1M512060BS 12 tooth brass insert and set screw
60 60.4 60 6.0 21.0 20.5 11.0 9.5 15.5 17.4 Plastic bevel gear GB1M512060BS 60 tooth brass insert and set screw
GB1M512* 1 12 13.7 12.0 4.0 40.5 9.5 10.0 9.5 — 20.3 Plastic bevel gear GB1M512 12 tooth brass insert version
GB1M512BS* 1 12 13.7 12.0 4.0 40.5 14.3 10.0 9.5 — 20.3 Plastic bevel gear GB1M512BS 12 tooth brass insert and set screw

Reading the table: parts with the BS suffix carry a brass insert and set screw for positive shaft fixing. Letters B, CD, C, E, F, G and H follow the reference drawing in the specifications section above. A dash in a length column means that dimension is not applicable to that part. Not sure which pair suits your layout? Send the drawing or the shaft dimensions and we will match it.

Product Detail

Photographs of our moulded plastic bevel gears — tooth form, hub and the brass insert option.

Moulded plastic bevel gears showing tooth form, ratio pairs and hub detail
Moulded plastic bevel gears — tooth form and hub detail across the ratio range.
Plastic bevel gear pair in POM moulded for a right-angle drive
POM bevel gear pair for a right-angle drive.
Plastic bevel gear set assembled and checked before packing
Mated gear sets checked for mesh and backlash before packing.

Key Advantages

  • Clean, wear-resistant polymersPOM and nylon resist moisture and a wide range of chemicals, so the gear keeps working in humid, wash-down or mildly corrosive environments where a plated metal gear would eventually corrode. No painting, no plating and no oil film to maintain.
  • Precisely moulded teethTooth form comes from the mould cavity rather than a cutter, so engagement stays tight and consistent across the batch. The result is steady, quiet rotation — the property that matters most in noise-sensitive devices such as coffee machines and printers.
  • A fraction of the weight of metalLow mass reduces the load on the shafts and bearings, cuts the inertia the motor has to drive, and extends battery life in portable and battery-powered products.
  • Right-angle drive in a compact envelopeBevel geometry transfers power through 90 degrees without needing a separate gearbox housing, which keeps small mechanisms short and simple to assemble.
  • Customised to your drawingModule, tooth count, bore diameter, hub and boss dimensions, ratio and polymer grade can all be produced to requirement. If a standard part in the table fits, we will say so and save you the tooling cost.
  • Factory-direct price and controlMoulding, inspection and packing happen in-house, so there is no intermediate margin and quality is checked by the same team that made the part.

Applications

The combination of light weight, quiet running and corrosion resistance makes plastic bevel gears suitable for small right-angle drives across several product families.

Smart home devices

Smart curtain machines open and close quietly without disturbing the room, while robot vacuum cleaners use the same right-angle drive to climb and turn with low power draw and long service life.

Office equipment

Printers rely on consistent tooth form for smooth paper feed and low operating noise, and shredders use the chemical resistance and wear resistance to cope with continuous paper loads without premature failure.

Toys and consumer products

Remote-control vehicles benefit from the low weight, which improves battery life, while the polymer tolerates drops and impacts. Suitable material grades are available for children's products.

Coffee machines and small appliances

Right-angle drives in enclosed appliances run without grease contamination of surrounding parts, and the moulded mesh keeps operating noise low in domestic environments.

Instrumentation and small actuators

Compact 90-degree transfers in measuring and positioning mechanisms, where low inertia and non-magnetic, non-rusting parts are an advantage.

Custom machinery

Any small right-angle drive where you would otherwise need a metal bevel pair, a separate housing and a lubrication point. Send the drawing and duty and we will advise on material and ratio.

Plastic bevel gears used in smart home, office equipment and toy applications
Plastic bevel gears in service across smart home, office equipment and consumer product applications.

Buyer FAQ

  • Can you produce a plastic bevel gear to my drawing or from a sample?Yes. Send a dimensioned drawing or the sample gear with module, tooth count, ratio, bore and material preference. We confirm whether an existing standard part in the table above fits, or quote a new mould, and can supply a machined prototype first if you want to validate geometry before tooling.
  • Which material should I choose, POM or nylon?POM is the usual choice for precision bevel pairs because it is stiff, low friction and dimensionally stable under humidity, which keeps centre distance and backlash predictable. Nylon is tougher and better at absorbing impact, but it absorbs moisture and moves slightly in dimension. Tell us the load, speed and environment and we will recommend one.
  • Are the gears supplied as a matched pair?A bevel pair only works correctly with the mating gear it was designed against. Parts marked with an asterisk (GB1M512* and GB1M512BS*) match only with the 60-tooth gear and are not compatible with other gears. For every other part number, confirm the mating part with us before ordering and we will check the pair.
  • What does the BS suffix mean on the part number?BS indicates a brass insert and set screw, which gives a positive mechanical fixing to the shaft instead of relying on a plain moulded bore. It is the usual choice where the gear takes reversing load or where the shaft fit must not slip.
  • What is the working temperature and can you supply higher-temperature material?The standard range is −40 °C to +80 °C. For equipment that runs hotter, materials such as PEEK or PPS can be quoted; tell us the continuous operating temperature and we will confirm what the application needs.
  • What are your lead time and order terms?Send the part number or drawing with the quantity required. We reply with price, tooling requirement if any, and lead time — normally within 24 hours. Standard parts ship from production stock; new tooling follows the confirmed drawing.

Related Products and Further Reading

Request a Plastic Bevel Gear Quotation

Send the part number from the table above or your own drawing — module, ratio, tooth count, bore and quantity. We confirm fitment against the mating gear, advise on material, and reply with price and lead time within 24 hours.

Send Inquiry Now

* Ratios must be ordered as matched pairs. Dimensions follow the reference drawing in the specifications section; please confirm the final drawing against your assembly before ordering. Brass insert and set screw versions are identified by the BS suffix.

Send Inquiry
Contact Info
For inquiries about hydraulic cylinders, gearboxes, PTO shafts or price list, please leave your email to us and we will be in touch within 24 hours.
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