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SIT TRASCO ES Zero-Backlash Couplings

TRASCO ES (zero-backlash) are zero-backlash flexible couplings with a special plastic flexible element, which is very tightly placed in the front teeth of the coupling.

SIT TRASCO ES

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Couplings Description

SIT TRASCO ES zero-backlash couplings consist of two steel hubs and a star-shaped flexible element. During transmission, shocks and torsional vibrations are damped.

Couplings Fields of Use

TRASCO ES zero-backlash couplings are used in single-purpose machines, machine tools or in testing technology and fine mechanics.

They are designed for the highest requirements in a wide range of industries, especially for machine tools, testing machines, fine mechanics, dynamometers and many other machines where very small backlash is required.

They are also used in the food, chemical, paper, metalworking and automotive industries.

Couplings Characteristics

  • Torque transmission without backlash
  • Vibration damping from the motor shaft (up to 80 %)
  • Low electrical and thermal conductivity
  • Easy installation
  • Small size, low moment of inertia
  • Possibility of using in potentially explosive atmospheres by EG Richtlinie 94/9/EC

Couplings Parameters

  • Torque: 0.35 to 190 Nm

Documents for Download

TRASCO ES Zero Backlash Couplings - Preview

TRASCO ES Zero Backlash Couplings

SIT Catalogue

English (PDF 1.41 MB)


Question about the Shaft Coupling Category

Do not hesitate to contact us with any questions about products in this category.

We also provide design and calculation of transmission components, including shaft couplings. In the case of your interest in this service, use the detailed Transmission Drive Design Form.

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Shaft Coupling Manufacturer Profile

logo SIT

The group SIT S.p.A develops, engineers, manufactures and distributes high quality solutions and components for power transmission for industrial applications of excellence worldwide, with the aim of increasing the productivity of its customers’ machines and systems. With operations on 3 continents, SIT manufactures pulleys, rubber and polyurethane belts, drive couplings, locking assemblies and a wide range of accessories.

SIT belongs to a large industrial group that dates as far back as 1838. Today, thanks to over 50 years of specific experience in power transmission and a close-knit team of highly qualified professionals, the Group engages in constant technological innovation in order to offer the best application solutions in mechanical power drives.

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