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Cutaway of a GUMMI Type A elastic coupling with two standard hubs · GUMMI A-45
Flexible coupling GUMMI A-45

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Flexible coupling GUMMI A-45

Manufacturer Part Number
A-45
Brand
GUMMIOfficial distributor
Category
Power transmission
Subcategory
Couplings
Series
Tipo A

GUMMI

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Description

GUMMI A-45 is a flexible coupling reference, within Power transmission. Request a quote for A-45 via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.

The GUMMI A-45 flexible coupling is a power transmission component that connects two shafts and absorbs misalignments, vibrations and torsional shocks. Its elastic rubber center allows smooth and quiet operation, protecting the connected equipment. It is used in a wide variety of industrial applications where motion must be transmitted with some flexibility. At MR Accesorios Industriales we sell it as part of our GUMMI coupling line, backed by more than 80 years in the industry.

The GUMMI A-45 belongs to the Type A series of flexible couplings with rubber center. This particular model has a two standard hubs (CN) configuration, a nominal torque of 250 Nm and a maximum bore of 40 mm. The pilot bore is 15 mm, the diameter of the elastic center is 167 mm and the total length reaches 140 mm, with a weight of 5 kg. These characteristics position it as a robust option for power transmission in industrial machinery.

Typical applications for this coupling include centrifugal pumps, fans, compressors, conveyor belts and mixers, among other equipment requiring vibration absorption and misalignment compensation. Its rubber center design dampens torque peaks and reduces noise, extending the service life of the connected bearings and gears. It is commonly found in process plants, food industries and pumping systems.

To correctly select a GUMMI A-45 coupling, take into account the nominal torque required by the application, the diameter of the shafts to be connected and the environmental conditions. The maximum bore of 40 mm defines the limit for the shafts, and the 15 mm pilot bore can be machined to the required size. It is essential to verify alignment during assembly to avoid additional loads on the elastic center and ensure reliable operation.

If you need a coupling with different dimensions or an equivalent, you can contact us via WhatsApp. At MR Accesorios Industriales we have 3,407 power transmission references and can guide you toward the most suitable option. To speed up the response, send the code A-45 or the characteristics you are looking for, and we will reply shortly.

This GUMMI A-45 coupling is a reliable solution for transmitting power with flexibility. If you want to request a quote or ask about other variants of the Type A series, write to us via WhatsApp and we will assist you shortly.

Dimensions

Model
A-45
Configuration
Two standard hubs (CN)
Nominal torque
250Nm
Max bore
40mm
Pilot bore
15mm
Elastic center Ø
167mm
Overall length
140mm
Weight
5kg

Frequently Asked Questions

What does the CN configuration mean in the GUMMI A-45 coupling?
CN indicates two standard hubs, meaning both hubs are of standard design without any special modification. This configuration is the most common and allows the coupling to be mounted in a wide variety of applications with shafts requiring a bore within the specified range.
What is the nominal torque of the GUMMI A-45 coupling?
The nominal torque of the GUMMI A-45 is 250 Nm. This value indicates the power transmission capacity under normal operating conditions. For applications with torque peaks or variable loads, it is recommended to consider an adequate service factor.
Can I machine the pilot bore of the GUMMI A-45 coupling?
Yes, the 15 mm pilot bore can be machined up to the maximum bore of 40 mm according to the shaft diameter. It is important to perform the machining precisely and verify alignment to ensure correct operation and extend the service life of the coupling.
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