Ruland Flexible Coupler Aluminium 19.1 mm OD 5 mm Bore 27.2 mm Length Finished No Keyway MJS19-5-A

Ruland MJS19-5-A is a flexible coupling designed for precise mechanical power transmission applications. It features two aluminium hubs and an elastic polyurethane spider insert that provides damping of impulse loads, reducing shock to motors and sensitive equipment. This coupling is zero backlash and tailored for applications requiring torsional rigidity and vibration absorption. The coupling accommodates slight angular, axial, and parallel misalignments, making it versatile for various industrial alignment conditions.

Offered in two hardness variants, the polyurethane spider element allows users to choose between superior dampening (92 Shore) or enhanced torsional rigidity (98 Shore), optimizing coupling performance to specific operational demands. The snap fit design assures high torque capability and fail-safe operation even if the spider element is compromised.

Operating speed can reach up to 8000 rpm, suitable for many mechanical power transmission environments. The coupling provides electrical isolation and is balanced to sustain high bearing loads and moderate inertia conditions. It complies with REACH, RoHS, and DIN 911.9 standards.

Note that each product supplies one aluminium hub only; a complete coupling assembly requires two hubs and a spider element, which are sold separately. Applications include industrial machinery, mechanical power transmission systems, and servo motor connections requiring reliable, zero backlash coupling solutions.

Contains one aluminium hub as supplied; complete assembly requires additional parts. Polyurethane spider inserts provide damping and torsional rigidity options. Suitable for high-speed and high-load mechanical power transmission.

Complies with international standards including REACH, RoHS, and DIN 911.9. Manufactured in the United States with aluminium material for durability.

This coupling is ideal for industrial, manufacturing, mechanical, and power transmission applications. Explore more flexible couplers and mechanical power transmission components in the EnvMart catalog to find the right fit for your system requirements.

Explore more products in our Mechanical Power Transmission Couplers category.