Attributes

Brand	-
Category	Standard Parts, Components & Industrial Consumables / Couplings
Origin	-
Brand	KTR
Model Series	RADEX N
Available Sizes	N70, N80, N85, N90, N105
Type	All-Steel Diaphragm Coupling
Country of Origin	Germany
Material	High-Grade Stainless Steel
Max Torque Range	Up to 12,500 Nm
Max Speed	Up to 10,000 rpm
Temperature Range	-60°C to +280°C
Condition	New Original

6 reviews

Anonymous

Mar 26, 2026

Rating: 5/5

Best Choice for Precision

We use these RADEX couplings in our CNC machinery. The torsional stiffness is excellent, and they maintain alignment perfectly under load. Worth every penny.

Anonymous

Mar 16, 2026

Rating: 5/5

Fast Shipping and Great Product

Needed a replacement N85 urgently. It arrived in two days, well-packaged. The coupling runs smoothly with zero vibration. Highly recommend this seller.

Anonymous

Mar 16, 2026

Rating: 5/5

Exact Replacement

Bought the N70 to replace an old worn-out unit. Installation was straightforward, and it fits the shaft dimensions perfectly. No issues so far after a month of operation.

Anonymous

Mar 06, 2026

Rating: 4/5

Solid Performance

The N105 coupling handles high torque applications very well. Only giving 4 stars because the documentation was only in German, but the product itself is flawless.

Anonymous

Mar 01, 2026

Rating: 5/5

Genuine German Quality

Received the N90 model exactly as described. The build quality is exceptional, and you can tell it's an original KTR product. Perfect fit for our industrial pump setup.

Anonymous

Mar 01, 2026

Rating: 5/5

Reliable Industrial Component

Ordered multiple N80 units for our factory line. All were authentic KTR products with proper markings. Delivery was on time, and the price was competitive.

5 FAQ

Q: Do you provide a certificate of origin with the purchase?

A: Yes, all original KTR products come with a manufacturer's certificate of origin and quality assurance documentation upon request.

Q: Can I get the N90 size with different bore diameters?

A: Yes, we offer various bore configurations for the N90 model. Please contact us with your specific shaft diameter requirements for a custom quote.

Q: What is the maximum misalignment this coupling can compensate for?

A: The RADEX N series compensates for angular, parallel, and axial misalignments. Specific values depend on the size (N70-N105); please refer to the technical datasheet for detailed figures.

Q: Does this coupling require lubrication?

A: No, the KTR RADEX N series is an all-steel diaphragm coupling that operates maintenance-free and does not require any lubrication.

Q: Is this item shipped from Germany or a local warehouse?

A: While the product is manufactured in Germany, this specific stock is held in our local distribution center for faster shipping times.

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