Nexen 917900 is an air engaged friction clutch with flange mount and 1.5 in straight bore with keyway. It delivers 2200 inlb static torque at 80 psi max pressure. The open design features a bare aluminum air chamber and black oxide drive shell. This clutch requires bearing support and is CE and RoHS compliant.

Anti rotation style

Flange with pilot

Approximate clutch facing life

192 hphr

Bore details

Straight With Keyway And 2 Setscrews

Bore size

1.500 in, Machined Bore with Keyway, 1.375 in with Optional Adapter Bushing

Bore style

Machined Bore with Keyway, Nexen Adapter Bushing Required

CE certified

CE

Clutch air chamber volume when new

0.450 in³

Clutch facing edge color code

Red

Clutch facing effective area

46.29 in²

Clutch Facing Type

Standard coefficient

Clutch heat sink capacity

11800 ftlb

Clutch peak thermal input rate

41.70 hp

Clutch response factor

0.089

Drive arrangement

Flange mount

Enclosure

Open

Engagement method

Air

Finish

Bare Aluminum

Inlet size

0.125 NPT

Length

4.06 in

Materials of construction

Aluminum Air Chamber Black Oxide Drive Shell

Max ambient temperature (°F)

150

Max bore size

38.1 mm

Max clutch continuous thermal dissipation

0.18 hp

Max operating pressure (psi)

80

Max Speed

1800 RPM, Max @ 60 psi, 1400 @ 70 psi, 1000 @ 80 psi

Max speed (psi)

1800 RPM, Max @ 60 psi, 1400 @ 70 psi, 1000 @ 80

Max static clutch torque

2200 inlb

Min ambient temperature (°F)

32

Min bore size

34.925 mm

Min engagement pressure (psi)

10

Mounting style

Flange, Shaft

Open or enclosed design

Open

Outer Diameter

5.91 in

Output bolt circle

4.75 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

10.74 lbin²