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When a right-angle drive fails mid-project, the culprit is almost always a mismatched or worn bevel gear pair. Engineers, robotics builders, and serious DIYers who need repeatable, low-backlash 90° power transmission rely on dimensionally consistent matched sets — not loose singles sourced from different batches. These precision bevel gears are sold as factory-matched pairs so both gears share the same module, pressure angle, and tooth profile from the start.
Each set consists of a small pinion gear and a larger wheel gear machined to metric module standards. Available modules span 0.5, 0.75, 1, 1.5, 2, and 2.5, with tooth counts ranging from 12T + 24T up to 35T + 70T (approximately 0.47 in to 6.89 in pitch diameter depending on module and tooth count). The gear body material is consistent across the range — see variant options for confirmed material per size.
Typical applications include DIY CNC axis drives requiring a compact 90° turn, robotics joint assemblies where a matched bevel gear set for robot arm builds reduces alignment time, and small machine tool attachments such as a right-angle bevel gear drive for drill press or lathe cross-slide. The range of modules also suits model engineering and RC vehicle differential builds.
| Gear Type | Straight Bevel Gear (Matched Pair) |
|---|---|
| Module Range | 0.5 / 0.75 / 1 / 1.5 / 2 / 2.5 |
| Tooth Count (Pinion + Wheel) | See variant options (12T+24T to 35T+70T) |
| Gear Ratio | 1:2 (Pinion to Wheel) |
| Pressure Angle | 20° |
| Shaft Intersection Angle | 90° |
| Bore Diameter | See variant options |
| Material | See variant options |
| Finish / Surface Treatment | See variant options |
| Pitch Diameter Range | See variant options |
| Quantity per Order | 1 set (1 pinion + 1 wheel gear) |
| Standard | Metric Module (DIN / JIS reference) |
Module is the fundamental size unit of a gear tooth. A larger module means larger, stronger teeth that can handle more torque but require more space. For light-duty robotics or model engineering, 0.5–1 M is typically sufficient. For CNC axis drives or small machine tools carrying moderate loads, 1.5–2.5 M is more appropriate. Match the module to your load requirements and the available center distance in your housing.
Each order includes one complete matched set — one pinion gear and one wheel gear. Both gears share the same module and pressure angle, so they are ready to mesh together straight out of the package without additional matching or selection.
All sets in this range use a 1:2 ratio — the pinion has half the tooth count of the wheel gear. For example, the 1 Module variant comes in 15T+30T and 20T+40T configurations, both delivering a 2:1 speed reduction (or 1:2 torque multiplication) at the 90° shaft intersection.
Bore diameter varies by module and tooth count. Please refer to the variant detail page or contact us to confirm the bore size for your selected variant before ordering, especially if you are fitting the gear directly onto a motor shaft or lead screw.
Corrosion resistance depends on the material and surface finish of the specific variant. Please check the variant options or contact us to confirm the material specification. For applications in humid or outdoor environments, we recommend confirming the finish and considering additional lubrication or protective coatings.
Yes. These matched bevel gear sets are well-suited for motorized right-angle drives in CNC machines, robotic joints, and automated equipment operating at moderate speeds and torque levels. Ensure the bore diameter matches your motor or shaft size, and apply appropriate lubrication for continuous-duty use. For high-speed or heavy-load applications, contact us to confirm suitability.
Select your module first based on load and space constraints, then choose the tooth count combination that fits your center distance and desired pitch diameter. The variant name format is "[Module] Module [Pinion Teeth]T + [Wheel Teeth]T" — for example, "1.5 Module 15T + 30T" means a 1.5 M module set with a 15-tooth pinion and a 30-tooth wheel. If you are unsure, share your application details with us and we can help you select the correct variant.
