Aftermarket Atlas Copco Coupling

An Atlas Copco coupling transfers torque between driving and driven shafts while absorbing shock and small misalignment—common on portable air compressors and other non-road machines. The right coupling helps reduce vibration, protects bearings, and keeps uptime predictable in dusty, high-load conditions.

How to Choose the Right Coupling?

To avoid mis-orders, confirm at least one: part number, machine model, engine family, serial range, or clear photos/measurements. Also verify bore/spline, keyway, outside diameter, and max RPM/torque. If you manage mixed fleets, shop by equipment via coupling, or by brand, using Sullair coupling and Ingersoll Rand coupling.

TypeBest forReplace when you see…
Flexible jaw/clawVibration dampingCracked element, lash, rattling
Gear-styleHigher torqueheat, metal dust, noise
Spline/hub driveTight packagingFretting, slip marks, uneven wear

FAQs

Q: What usually causes coupling failure?

A: Misalignment, worn elements, vibration, overload, and contamination.

Q: Can one model have different couplings by year?

A: Yes—confirm serial range or hub/bore details.

Q: What should be replaced together?

A: Worn elastomer elements, damaged hubs, and any loose fasteners/guards.