Rahnama

Rahnama is synonymous with the highest quality in Iran’s gearbox industry.

Blending Knowledge and Experience

If you’re looking for a high-performance industrial gearbox, we are proud to offer products that bring out the best in your industrial machinery. Rahnama gearboxes, engineered with exceptional design and advanced technology, enhance efficiency and improve the overall performance of your equipment. Backed by more than 40 years of industry experience, we strive to deliver top-quality industrial gearboxes at competitive prices by leveraging cutting-edge technologies and adhering to international standards.

A Wide Range of Products

Currently, our product portfolio offers more than 15,000 different configurations, considering various sizes, ratios, mounting methods, and motor coupling options. In Iran’s industrial gearbox manufacturing sector, Rahnama products have consistently been recognized as one of the leading choices for industry owners across a wide range of applications. This reputation is built not only on the high reliability of our products, but also on their exceptional and distinctive quality. Contact us and experience the finest industrial gearboxes.

Introduction to Rahnama Gearbox Products

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Worm Gearboxes

VF-Worm Gear

Power transmission at 90º and non-coplanar by worm shaft and bronze gear. High conversion ratio in small volume. Silent operation. Irreversible.

Helical-Worm Combination Gearboxes

RVF-Helical Worm

Power transmission at 90º and non-coplanar by steel helical gears and worm shaft and bronze gear. Very high conversion ratio in small volume. Silent operation. Irreversible.

Parallel Shaft Helical Gearboxes

RAP-Helical

Power transmission in parallel and coplanar axes by steel helical gears. High power and operating hours. Efficiency above 90%. Silent operation.

Direct Shaft Helical Gearboxes

HG-Helical

Power transmission in aligned axes by steel helical gears. High power and operating hours. Efficiency above 90%. Silent operation. Linear positioning and space-saving installation.s

Shaft-Mounted Helical Gearboxes

BF-Helical

Power transmission in parallel and coplanar axes by steel helical gears. High power and operating hours. Efficiency above 90%. Silent operation. Suitable for power transmission systems with shocks perpendicular to the upper axis. Installation on the output shaft.

Helical Increaser Gearboxes

Z-Helical

Includes gearbox and motor. Gearboxes in which motion is transmitted by engaging a worm shaft with a worm gear.

Bevel–Helical Combination Gearboxes

RAO-Bevel Helical

Power transmission at an angle of 90º by steel bevel and helical gears. High power and operating hours. Efficiency above 90%. Positioned perpendicular to the power axis.

Bevel Gearboxe

RAN-Bevel

Power transmission at 90º angle or parallel by steel bevel gears. Conversion ratio up to 1:7. Possibility of using multiple outputs perpendicular to each other.

With the help of our sales team, you can choose a product that exactly meets your needs, step by step.

Applications of Our Products

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The gearboxes manufactured by this company serve as the driving force of industry, meeting a significant portion of the needs of factories and industrial sectors

Water and Wastewater
Marine Industries
Stone and Mining Industries
Heavy Industries
Chemical Industries
Food Industries
Agricultural Industries
Textile Industries
Construction
Over nearly half a century of operation, Rahnama Factory has established new standards in the field of industrial gearbox manufacturing. These include exceptionally high precision in surface finishing, the production of gears with special modules, and the capability to design and manufacture a wide range of customized gearboxes.
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Advantages of Our Products

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Very Low Noise
Precise machining of gears and shafts minimizes operating noise during performance.
Robust Housing
The gearbox housing is manufactured based on engineering calculations and provides exceptional structural strength.
Elimination of Bending Stresses
To prevent bending stresses, bearings with adequate load capacity have been carefully selected.
Heat Treatment and Grinding
Heat treatment is applied to the meshing steel gears, and they are ground to ensure smooth and efficient rotation.
Continuous Improvement
Product manufacturing processes are reviewed annually to achieve continuous quality improvement.
Special Module