Description
Product Overview
The GTPBAO Mini Bevel Gearbox is engineered to provide a high‑precision 15to1 reduction ratio within an ultra‑compact footprint measuring just 6.9 mm in length, 6.2 mm in width, and 4.9 mm in height. Constructed from hardened steel alloy, the gear teeth are heat‑treated for wear resistance and long‑term reliability, ensuring consistent torque transfer even under demanding loads. The gearbox features a right‑angle (90°) drive configuration, allowing designers to change the direction of power flow without the need for additional shafts or couplings. Its lightweight design, weighing only 3.53 ounces, makes it ideal for applications where mass and space are at a premium, such as drones, miniature robots, and portable automation equipment. The bottom mounting plate includes two precision‑drilled holes spaced 8.3 mm apart, providing a secure and repeatable installation method on a variety of chassis and frames. The product is packaged in a protective cardboard box with dimensions of 0.39 × 0.39 × 0.39 inches, ensuring safe delivery and easy storage.
![[Product front view showing all components]](https://www.ilvora.store/wp-content/uploads/2026/07/8294703a11f94f08b543c609e232e11d.jpg)
Usage
Designed for both hobbyist and professional environments, this gearbox excels in scenarios that demand precise speed reduction and reliable torque delivery. In hobby robotics, the 15to1 ratio enables fine‑grained control of wheel speed, allowing for smoother navigation and more accurate positioning. For small‑scale industrial equipment, the right‑angle configuration simplifies mechanical layouts, reducing the number of components and overall system complexity. The gearbox is also well‑suited for educational kits, where students can explore fundamental concepts of gear reduction, power transmission, and mechanical design without the need for large, cumbersome parts. Its compact size makes it a popular choice for custom 3‑D‑printed housings, where designers can integrate the gearbox directly into the printed structure, saving space and weight. Additionally, the gearbox can be employed in prototype development for medical devices, optical equipment, and precision instrumentation where silent operation and minimal backlash are critical.
Why Choose Us
GTPBAO has a reputation for delivering high‑quality mechanical components that meet stringent industry standards. Each gearbox undergoes a rigorous quality‑control process that includes dimensional inspection, hardness testing, and functional verification under load. This ensures that every unit shipped performs to specification and provides the durability required for long‑term operation. Our commitment to customer satisfaction extends beyond the product itself; we offer comprehensive technical support, detailed installation guides, and responsive after‑sales service to address any questions or concerns. By choosing this gearbox, you benefit from a blend of precision engineering, material excellence, and a brand that stands behind its products with a clear warranty and a responsive support team.
Furthermore, the design of the Mini Bevel Gearbox incorporates features that reduce noise and vibration, such as precision‑cut gear teeth and a snug bearing fit. This results in smoother operation, which is especially important in applications where acoustic performance matters, such as consumer electronics or educational tools used in classroom settings. The gearbox’s low profile also contributes to better heat dissipation, allowing it to maintain optimal performance even during extended periods of operation. When you select the GTPBAO Mini Bevel Gearbox, you are investing in a component that combines engineering expertise with practical usability, delivering value across a wide range of projects.
Key Features
- Compact 6.9 mm × 6.2 mm × 4.9 mm size fits tight spaces and lightweight designs.
- 15to1 reduction ratio provides precise speed control for robotics and automation.
- Right‑angle 90° drive enables easy direction change without extra components.
- Hardened steel alloy gears ensure long‑term durability and low wear.
- Responsive customer support and detailed installation documentation included.
FAQ
What is the maximum torque this gearbox can handle?
The gearbox is rated for a continuous torque of up to 0.12 Nm, which is sufficient for most hobbyist and small‑scale industrial applications. For peak loads, it can tolerate short bursts of up to 0.18 Nm without compromising gear integrity.
Can the gearbox be mounted on a non‑standard frame?
Yes. The bottom plate includes two 8.3 mm spaced mounting holes, but additional holes can be drilled or tapped to match custom frame dimensions. The robust steel construction allows for secure fastening with standard screws or bolts.
Is the gearbox compatible with standard shafts?
The input and output shafts are designed to accept 2 mm diameter shafts, which are common in miniature motor assemblies. If your application uses a different shaft size, adapters or custom couplers can be employed to achieve a proper fit.
How do I reduce noise and vibration during operation?
Proper lubrication with a light synthetic oil and ensuring that the gearbox is mounted on a vibration‑damping material will significantly reduce noise. Additionally, maintaining alignment of the input and output shafts helps minimize backlash and associated vibration.
What warranty does GTPBAO provide for this product?
GTPBAO offers a one‑year limited warranty covering manufacturing defects. If you encounter any issues within this period, contact our support team for a replacement or repair, subject to the warranty terms.






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