Bronze Gear

Rossi MR Series worm gearbox

The Rossi MR Series worm gearbox, made in Italy, is a highly reliable unit designed for precise and continuous power transmission applications. It combines a hardened steel worm shaft with a tin-bronze gear wheel, ensuring superior mechanical efficiency. The output torque reaches up to approximately 3000 Nm, and the reduction ratio ranges from 5 to 100 depending on the configuration. The housing is made of die-cast aluminum for smaller sizes and G250 grey cast iron for larger units. A permanent synthetic lubrication system using ISO VG 320 oil minimizes friction and increases durability during long-term operation.

The MR Series features reinforced bearings and dual sealing elements to prevent oil leakage and extend operational lifespan. It supports horizontal, vertical, and flange-mounted installations and is compatible with IEC electric motors up to 22 kW. The working efficiency ranges from 86 to 93 percent, with a noise level below 70 dB under nominal load. The operating temperature range is from -25 to +90 degrees Celsius, and the gearbox complies with CE and ISO 9001 standards for industrial safety and manufacturing quality.

ROSSI A Series worm gearbox

The ROSSI A Series worm gearbox is a compact and efficient transmission unit designed for light and medium-duty industrial power applications. This single-stage worm gearbox delivers output torque up to approximately 1,500 Nm. The reduction ratio ranges from 7 to 100, with operational efficiency between 80 and 90 percent. The main housing is made of die-cast aluminum, providing a lightweight yet durable structure. The worm shaft is manufactured from hardened alloy steel, while the bronze gear is made of CuSn10 alloy for excellent wear and heat resistance. A permanent oil circulation system ensures minimal friction and extended service life.

The ROSSI A Series gearbox incorporates precision deep-groove ball bearings and NBR seals to prevent oil leakage. It supports horizontal, vertical, and flange-mounted configurations and is compatible with IEC standard electric motors up to 11 kW. The operational temperature range is from -20 to +80 degrees Celsius, and the nominal noise level is below 68 dB. Depending on size, the unit weighs between 15 and 95 kilograms. Certified under CE and ISO 9001 standards, the A Series gearbox is ideal for conveyor systems, packaging machines, and food industry automation.

ROSSI AS Series worm gearbox

The ROSSI AS Series worm gearbox is a compact and precise transmission unit designed for industrial applications with limited installation space, combining both worm and helical stages. It delivers output torque up to approximately 1,800 Nm, with a reduction ratio ranging from 7 to 400. The mechanical efficiency of this series varies between 85 and 92 percent, offering improved performance over single-stage worm designs. The main housing is made of die-cast aluminum or EN-GJL200 ductile cast iron, providing both strength and low weight. The worm shaft is case-hardened alloy steel, and the bronze gear is made of CuSn12 alloy for reduced friction and enhanced durability.

The ROSSI AS Series gearbox features precision bearings and NBR seals to prevent oil leakage and internal contamination. It supports horizontal, vertical, and flange-mounted configurations and can be coupled with IEC standard motors up to 15 kW. The operational temperature range is from -20 to +80 degrees Celsius, with a nominal noise level below 70 dB. The net weight varies from 20 to 140 kilograms depending on model size. Certified under CE and ISO 9001 standards, the AS Series gearbox is ideal for conveyors, food processing equipment, packaging machinery, and material handling systems.

ROSSI M Series worm gearbox

The ROSSI M Series worm gearbox is a robust and compact transmission system designed for medium to heavy-duty industrial applications. This single-stage worm gearbox is engineered for precision and durability, delivering output torque up to approximately 2,500 Nm. The reduction ratio varies from 5 to 100, with operational efficiency between 80 and 90 percent. The main housing is made of G200 grey cast iron with a monoblock design, ensuring high rigidity and vibration absorption. The worm shaft is made of case-hardened alloy steel, and the bronze gear is composed of CuSn12 alloy, minimizing wear, heat, and noise. The internal lubrication system is oil-immersed, requiring minimal maintenance.

The ROSSI M Series gearbox features reinforced bearings and durable NBR seals to ensure stable performance under harsh working conditions. It supports horizontal, vertical, and flange-mounted configurations and is compatible with IEC standard motors up to 22 kW. The operational temperature range is from -25 to +90 degrees Celsius, with a nominal noise level below 72 dB. Depending on size, the unit weight varies from 35 to 180 kilograms. Certified under CE and ISO 9001 standards, the M Series gearbox is ideal for demanding applications such as conveyors, packaging machinery, agricultural equ

YILMAZ parallel shaft suspended gearbox series D

The YILMAZ parallel shaft suspended gearbox series D is a compact power transmission system with a suspended design, suitable for light to medium industrial applications. Its housing is made of impact-resistant ductile iron and is available in sizes 40 to 120. Gear ratios range from 5 to 60, with mechanical efficiency between 88 and 93 percent. The hardened steel output shaft and high-precision bronze gears provide smooth and quiet operation. The suspended mounting design saves space and allows easy connection to various industrial machines. Natural cooling through the finned housing ensures stable performance under varying temperature conditions.

The YILMAZ series D gearbox can deliver up to 1200 Nm of output torque, supporting input power from 0.09 to 7.5 kW. The IEC-standard motor flange allows direct coupling with three-phase electric motors. Solid or hollow output shafts increase installation flexibility across different systems. Heat-resistant O-ring seals and continuous lubrication with ISO VG 220 oil reduce friction and extend gear life. Precise tolerances and standard assembly minimize backlash and vibration under dynamic loads. Manufactured in compliance with CE and ISO 9001 standards, this gearbox is reliable for conveyors, pumps, and material handling equipment.