Zero-Max 6A18-AC CD composite disc coupling, single-flex, size 18, with aluminum clamp hubs. This precision motion-control coupling transmits torque while absorbing parallel and angular misalignment. Ideal for general industrial applications requiring reliable, maintenance-free operation.

Angular misalignment

3

Axial misalignment

0.030 inches, 0.8 mm

Continuous Rated Torque

180 in-lbs, 20 Nm

Distance Between Shaft Ends (C)

0.28 inches, 7.1 mm

Hub Length (B)

0.810 inches, 20.6 mm

Inertia at 1/2 Max Bore

0.13 lb-in, 0.38 kg-cm

Inertia at Max Bore

0.15 lb-in, 0.44 kg-cm

Inside Diameter of Disc-Pack (H)

0.79 inches, 20.1 mm

Max Speed

15, 000 RPM

Maximum Bore (E) with Keyway

0.625 inches, 16 mm

Maximum Bore (E) without Keyway

0.813 inches, 21 mm

Maximum Clamp Collar Diameter (F)

1.77 inches, 45 mm

Maximum Clamp Collar Width (D)

0.472 inches, 12 mm

Outside Diameter (A)

1.85 inches, 47.0 mm

Overall Length

1.88 inches, 47.8 mm

Parallel misalignment

0.004 inches, 0.10 mm

Peak Rated Torque

360 in-lbs, 40 Nm

Torsional stiffness

11, 650 Nm/rad

Weight at 1/2 Max Bore

0.31 lbs, 0.14 kg

Weight at Max Bore

0.32 lbs, 0.15 kg