---**Hydro-Mec 211A – Precision-Engineered 1-Stage Helical Gearbox, 8.29:1 Ratio, Aluminium Construction** Hydro-Mec is a renowned Italian manufacturer with a legacy of innovation and high precision in the design and production of gearbox systems for industrial automation, power transmission, and mechanical engineering applications. Known for their modular solutions, reliability, and commitment to quality, Hydro-Mec gearboxes are widely adopted across numerous sectors, including food processing, packaging, logistic systems, material handling, and general industrial automation. With extensive testing, versatile configurations, and a focus on performance-to-weight optimization, Hydro-Mec brings engineering excellence to every solution.
Crafted with high-performance aluminium housing, ensuring excellent thermal conductivity, corrosion resistance, and lightweight integration into space-constrained installations.

High efficiency of up to 98%, maximizing energy transfer from input to output with minimal mechanical losses—ideal for continuous-duty industrial operations and electric motor-driven systems.

Single-stage helical gear design ensures compact dimensions while offering high torque transmission with smooth and quiet operation—this makes it ideal for noise-sensitive environments like laboratory automation systems or advanced manufacturing lines.

Helical gears deliver continuous gear contact, reducing vibration and wear for increased service life—perfect for high-cycling or mission-critical applications.

Input shaft diameter of 9 mm allows direct integration with standard IEC or NEMA motor flanges, ensuring trouble-free compatibility with a wide range of drivetrain systems.

Output shaft diameter of 14 mm facilitates reliable torque delivery to driven components, such as conveyor rollers, mechanical actuators, or linear motion systems.

Utilizes standardized 56B14 flange interface on the input side, supporting flexible mounting with electric motors commonly used in European industrial automation setups.

Compatible output interface (71B14) ensures readiness for modular system expansions and mechanical interconnects, such as couplings, pulleys, or torque-limiters.

Gear ratio of 8.29:1 provides finely-tuned speed reduction ideal for balancing motor RPM with driven load torque—ideal for controlled motion tasks like robotic assemblies or indexing mechanisms.

Gearbox size 211A fits within industry norms for small and mid-sized power transmission equipment, allowing easy replacement, retrofit, or inclusion in OEM designs.

The BCD input dimension of 65 mm and BCD output of 85 mm ensures precise bolting alignment and compatibility with standard industrial motor flanges and driven component hubs.

Rugged output construction guarantees minimal backlash, critical for applications requiring precise positional accuracy, such as pick-and-place systems or CNC positioning axes.

Aluminium gear housing provides excellent mechanical damping and heat dissipation properties, extending the longevity and performance consistency even in demanding thermal conditions.

Ideal for use in sectors such as automated packaging machinery, bulk handling equipment, palletizers, and conveyor-based transportation lines where reliability and mechanical precision are essential.

Low-maintenance design supports consistent uptime, reducing operational costs and maintenance intervals in automated production environments.

Hydro-Mec’s modular design approach allows for quick adaptation or reconfiguration—enabling engineers to streamline development and minimize lead times on custom builds or machine upgrades.

Backed by Hydro-Mec's engineering support and global distribution network, ensuring replacement parts availability and application expertise when and where needed.
---Use this gear unit as a best-in-class solution for reliable, efficient, and scalable motion control applications across a variety of industries where performance and integration matter.