Flexible coupling GUMMI A-70 with integral hub

GUMMI A-70 CI is a coupling reference, within Power transmission. Request a quote for A-70 CI via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.

The GUMMI A-70 CI flexible coupling is a power transmission component that joins two shafts and absorbs misalignment, vibration and torque peaks. Its integral hub (CI) configuration makes it suitable for larger diameter shafts, with a maximum bore of 90 mm. It is used in equipment where continuous operation and protection of downstream bearings and gears are required. MR Accesorios Industriales sells it in Buenos Aires, Argentina, with more than 80 years of experience in the industry.

This item is a flexible coupling from the GUMMI Type A series, model A-70, with integral hub (CI) configuration. Integral hub means the hub and the elastic element form a single piece, which simplifies assembly and reduces the number of components. The maximum permissible bore is 90 mm, so it is selected for larger diameter shafts within the line. The A-70 CI designation identifies exactly this variant: the A-70 model with integral hub. To confirm your shaft size, consult with our technical team.

Typical applications of this coupling include centrifugal pumps, fans, screw compressors, conveyor belts and machine tools. In all cases, the coupling transmits torque from the motor to the driven machine and compensates for small angular, radial and axial misalignments. It also dampens torsional vibration, which extends the service life of bearings and reduces noise. It is commonly found in installations where robustness and ease of maintenance are priorities.

To correctly select a flexible coupling, you must consider the nominal and maximum torque of the drive, the rotation speed, the shaft diameters and the type of load. The A-70 CI model accepts a maximum bore of 90 mm, so if your shaft exceeds that size, it is advisable to evaluate a higher capacity model. During assembly, check shaft alignment with a straightedge or dial indicator, respect the screw torque and verify that the elastic element is not compressed. Careful alignment prevents premature failures.

If you need an equivalent or a nearby size, message us on WhatsApp with the code or model you are looking for. We can guide you toward another configuration of the Type A series, such as split hub or taper hub, or toward a model with a larger bore. We can also advise you on selecting the right elastic element for your application. Our technical team reviews every inquiry and responds promptly.

At MR Accesorios Industriales we sell GUMMI flexible couplings and other power transmission components. To request a quote for the A-70 CI or ask about a variant, send us the code on WhatsApp and we will reply promptly. You can also write to us if you need help identifying the part from a photo or the shaft dimensions.