KTR ROTEX®
KTR torsionally flexible jaw coupling from the ROTEX® range, for industrial mechanical drives.
ROTEX® is the KTR torsionally flexible jaw coupling, used to transmit torque between shafts in industrial machinery. The family includes several construction variants: ROTEX standard, with nominal torque up to 35,000 Nm, ROTEX AH up to 12,500 Nm, ROTEX SH up to 4,500 Nm, ROTEX CF/CFN/DF/DFN up to 35,000 Nm, ROTEX BTAN/SBAN up to 12,500 Nm and the clamping ring version up to 4,500 Nm. The type code sent by the customer, for example ROTEX 24, indicates the coupling size within this range.
From the ROTEX® range we can bring in new couplings on order from the European Union, with estimated delivery in 1–4 weeks. For a correct quotation, the customer states the coupling size requested, the construction variant from the list above and the diameters of the two shaft ends to be coupled; we confirm compatibility from the manufacturer's documentation before sending the quotation.
Models and codes
| Code | Note |
|---|---|
| ROTEX Standard | nominal torque up to 35,000 Nm, the basic range of flexible couplings. |
| ROTEX AH | nominal torque up to 12,500 Nm. |
| ROTEX SH | nominal torque up to 4,500 Nm. |
| ROTEX CF/CFN/DF/DFN | nominal torque up to 35,000 Nm, flanged versions. |
| ROTEX BTAN/SBAN | nominal torque up to 12,500 Nm. |
| ROTEX with clamping ring | nominal torque up to 4,500 Nm, keyless fixing on the shaft. |
Key specifications
| Nominal torque, Standard/CF/CFN/DF/DFN range | 0–35.000 Nm |
|---|---|
| Nominal torque, AH/BTAN/SBAN range | 0–12.500 Nm |
| Nominal torque, SH/clamping ring range | 0–4.500 Nm |
| Construction type | torsionally flexible claw coupling |
The ROTEX® series appears as active in the current KTR product documentation, with no explicit announcement of withdrawal from production.
Frequently asked questions
What information is needed for a quotation on ROTEX?
The coupling size requested, for example ROTEX 24, the construction variant from the ROTEX range (Standard, AH, SH, CF/CFN/DF/DFN, BTAN/SBAN or with clamping ring) and the diameters of the two shaft ends to be coupled. If the shafts have special keys, mention this in your request.
What do we check before quoting for ROTEX couplings?
The exact sizes available in each variant and the associated bore diameters are checked in the manufacturer's technical catalogue for each request, before we confirm a quotation.
Other KTR series
The exact sizes and bore diameters available for each ROTEX variant are checked in the manufacturer's technical catalogue, on request.
Updated: 2026-11-12