Couplings · products coming soon
Locking Assembly
Tapered rings that clamp a hub to a shaft when the screws are tightened. A keyless joint that can be released and re-set.
- No keyway needed, so the shaft keeps its full strength.
- Lets you set the hub's position and timing anywhere on the shaft.
- Tighten the screws evenly, in steps, to the listed torque.
Photo coming soon
Not sure which type? Compare them
| Type | Misalignment | Backlash | Shock damping | Torque | Best for |
|---|---|---|---|---|---|
| Jaw Coupling | Low, about 1° | Low | Good | 3–1,100 Nm | Motors to pumps, fans and gearboxes; fail-safe |
| Pin Bush Coupling | Low, about 0.5° | Low | Good | 50–50,000 Nm | Large motors in heavy industry; bushes change easily |
| Tyre Coupling | High, up to 4° | Some | Very good | 24–6,300 Nm | Shock loads and shafts that are hard to align |
| Gear Coupling | Medium, about 1.5° | Some | None | 500–100,000 Nm | Very high torque in a small size; needs grease |
| Resilient Coupling | Medium | Low | Very good | 100–50,000 Nm | Diesel engines and drives with torsional vibration |
| Disc Coupling | Low, about 1° | Zero | None | 50–10,000 Nm | High speed and precision, no lubrication |
| Servo Coupling | Low to medium | Zero | None | 0.5–500 Nm | Servo motors, encoders and ball screws |
| Chain Coupling | Low, about 1° | Some | None | 50–20,000 Nm | Simple, compact drives; easy to disconnect |
| Torque Limiter | Depends on the drive it carries | Low | None | 2–5,000 Nm slip setting | Protecting machines from jams and overloads |
| Nylon Gear Coupling | Medium, about 1° | Low | Some | 10–2,000 Nm | Pumps and general drives; no lubrication, quiet |
| Locking AssemblyYou are here | None, it is a rigid shaft-hub joint | Zero | None | 20–100,000 Nm | Fixing pulleys, sprockets and hubs to a shaft without a keyway |
Find a locking assembly for your shaft and hub
Measure the shaft and the hub bore. Add the torque to transmit to check the rating.
Fill in any field to narrow the table below.
Products coming soon
Locking Assembly sizes are being added. Meanwhile, send us your shaft sizes and torque and we will quote.