Nexen 917800 air engaged friction clutch with flange mount and 1.25 in straight bore with keyway and two setscrews. Bare aluminum air chamber and black oxide drive shell, open design, standard coefficient friction facing. Rated for 1650 inlb max static torque and 1800 RPM max at 50 psi. Requires bearing support and Nexen adapter bushing.

Anti rotation style

Flange with pilot

Approximate clutch facing life

107 hphr

Bore details

Straight With Keyway And 2 Setscrews

Bore size

1.250-1.125 in

Bore style

Machined Bore with Keyway, Nexen Adapter Bushing Required

CE certified

CE

Clutch air chamber volume when new

0.330 in³

Clutch facing edge color code

Red

Clutch facing effective area

38.12 in²

Clutch Facing Type

Standard coefficient

Clutch heat sink capacity

9590 ftlb

Clutch peak thermal input rate

34.30 hp

Clutch response factor

0.066

Drive arrangement

Flange mount

Enclosure

Open

Engagement method

Air

Finish

Bare Aluminum

Inlet size

0.125 NPT

Length

3.78 in

Materials of construction

Aluminum Air Chamber Black Oxide Drive Shell

Max ambient temperature (°F)

150

Max bore size

31.75 mm

Max clutch continuous thermal dissipation

0.15 hp

Max operating pressure (psi)

80

Max Speed

1800 RPM, Max @ 50 psi, 1400 @ 60 psi, 1100 @ 70 psi, 800 @ 80 psi

Max speed (psi)

1800 RPM, Max @ 50 psi, 1400 @ 60 psi, 1100 @ 70 psi, 800 @ 80

Max static clutch torque

1650 inlb

Min ambient temperature (°F)

32

Min bore size

28.6512 mm

Min engagement pressure (psi)

10

Mounting style

Flange, Shaft

Open or enclosed design

Open

Outer Diameter

5.00 in

Output bolt circle

4.25 in

Output bolt hole size

4 0.250-20 in, Holes @ 90°

Output shaft style

None

Output type

Flange, Requires Bearing Support

Pilot size

No Pilot

Product features

Air Engaged, Straight Bore, Shaft Mount, Pilot Output, High Torque

Release method

Spring

Restrictions

Consult Nexen For Use In Cyclic Applications, Or Use As A Brake

RoHS compliant

RoHS

Shaft inertia

4.87 lbin²