BoWex 125 FLE-PA Coupling
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BoWex® 125 FLE-PA – Original KTR Flange Coupling for Heavy-Duty Drive Systems
The BoWex® 125 FLE-PA is a large, torsionally rigid flange coupling developed for demanding connections between diesel engines and hydraulic pumps. It is suitable for industrial machinery, mobile equipment and other power transmission systems where high torque capacity, compact installation and dependable operation are essential.
Produced by KTR-Kupplungstechnik, the flange is manufactured from PA6-GF25 glass-fibre-reinforced polyamide. Its curved-tooth design allows the coupling to compensate for limited angular and axial displacement while transmitting torque reliably. The coupling operates without lubrication, helping reduce servicing requirements in difficult working environments.
Technical Features
- Original KTR OEM coupling component
- 54-tooth internal spline
- Manufactured from reinforced PA6-GF25 polyamide
- Suitable for large SAE or application-specific flywheel connections
- Torsionally rigid power transmission
- Dry-running construction requiring no lubrication
- Compact axial dimensions
- Accommodates limited angular and axial misalignment
- Designed for demanding diesel engine drive applications
Typical Applications
The BoWex® 125 FLE-PA can be used in high-output drive systems found in:
- Hydraulic power units
- Mining and construction machinery
- Marine auxiliary equipment
- Stationary pump installations
- Compressor systems
- Heavy mobile machinery
- Industrial diesel engine powertrains
How to Identify the Correct Flange
Before ordering a replacement, inspect the existing coupling for the following information:
- Product marking: BoWex® 125 FLE-PA
- Manufacturer: KTR-Kupplungstechnik
- Material identification: >PA6-GF25<
- Production marking: D-4440 Rheine
- Internal spline: 54 teeth
If the original marking is worn or no longer visible, count the internal teeth and record the outside diameter, pilot diameter and bolt-hole arrangement. Details from the mating spline hub can also help confirm the required coupling size.
For additional guidance, see our BoWex FLE-PA identification guide.
Original KTR Components from AWELASTIC
AWELASTIC supplies genuine BoWex® 125 FLE-PA flanges, matching spline hubs and suitable screw sets from KTR OEM sources. Worldwide delivery and technical product identification assistance are available.
If you need a replacement after an equipment failure, send us clear photographs of the flange, visible markings, dimensions and internal tooth count. We will help identify the correct version and confirm availability.