Ruland Aluminium Clamp Style Flexible Shaft Coupler, 25.4 mm OD, 8 mm Bore, 38.1 mm Length, 6000 RPM, 3.73 Nm FCMR25-8-8-A

Ruland FCMR25-8-8-A aluminium clamp style flexible shaft coupler offers high precision and durability for mechanical power transmission in demanding industrial environments. Designed as a one-piece unit to eliminate mechanical joints, it reduces failure points and increases reliability.

With a 25.4 mm outside diameter and 38.1 mm length, the coupler connects shafts with 8 mm bore diameters on both sides. Its clamp fixing provides a backlash-free, torsionally rigid connection suitable for applications that require accurate torque transmission and minimal vibration.

The coupling allows up to 3° angular, 0.38 mm parallel, and 0.25 mm axial misalignment, accommodating minor shaft deviations while maintaining performance. It supports speeds up to 6000 RPM and torque up to 3.73 Nm, suitable for servo motors, robotics, measuring instruments, pumps, and valve actuation systems.

Manufactured from aluminium, the coupler offers lightweight construction, corrosion resistance, and temperature tolerance from -40°C to 107°C. Six flexible beams provide constant velocity with zero backlash, minimizing wear and extending operational life without requiring lubrication.

The product complies with DIN 912 12.9 screw standards and meets RoHS3 and REACH environmental regulations, ensuring quality and sustainability. The clamp style fixing uses one socket head cap screw per shaft for secure installation.

Durable aluminium construction for strength and corrosion resistance. Clamp style fixing providing secure, backlash-free shaft connection. Supports up to 6000 RPM speed and 3.73 Nm torque capacity. Allows angular, parallel, and axial misalignment for flexible installation.

One-piece torsionally rigid design minimizing failure points. Complies with DIN 912 12.9, RoHS3, and REACH standards. Suitable for robotics, servo systems, encoders, stepper motors, pumps, and valves.

This Ruland flexible shaft coupler is ideal for industrial machinery requiring precision coupling components that can handle misalignment and high-speed operation without lubrication. It delivers reliable mechanical power transmission with a lightweight aluminium body ensuring long-term durability and performance.

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