The Gears That Change Power Direction
These stock bevel gears transfer power between intersecting shafts, changing the direction of power flow. They are mainly used in rear axle main reducers. Yancheng Botu Transmission Machinery manufactures straight and spiral bevel gears from forged 20CrMnTi steel. We carburize and quench the gears, then finish them with precision grinding. The tooth shape achieves DIN 7 grade accuracy, ensuring smooth power transfer and high load capacity. A quality set ofstock bevel gears keeps your driveline operating reliably.
Spiral Bevel for High Loads, Straight for Low Cost
Bevel gears allow a 90° (or other) change in power direction. Spiral bevel gears have a high contact ratio, taking up to 30% more load than straight bevel gears. They also engage gradually, providing low noise and reduced vibration. Straight bevel gears cost less and are suitable for low-speed, low-load applications. Thesestock bevel gears give you options for your specific needs.
Our Experience with Spiral Bevel Gears
We have 8 years of experience making transmission parts. Spiral bevel gears require specialized machines and skilled operators. We use CNC spiral bevel gear cutting machines to control the tooth contact pattern with precision. Each gear is checked for tooth contact pattern, side gap, and mounting distance to ensure perfect meshing with its mate. Third-party inspections are welcome. Orders start at 50 pieces (pairs), and we support OEM and ODM customization. Custom samples take about 60 days.
Specifications Table
| Item | Parameter |
| Module | 2–8 (customizable) |
| Cone Angle | Per customer drawing |
| Accuracy Grade | DIN 7 |
| Material | 20CrMnTi |
| Tooth Type | Straight / Spiral |
| Heat Treatment | Carburizing and Quenching (HRC58–62) |


FAQ
The entire product series can be customized.
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