Nexen 811101 is an air engaged shaft mount friction clutch with a 2.375 in machined bore with keyway and three setscrews. It features a black oxide finish, open design, and low coefficient clutch facing. Rated for 3000 inlb static torque and 1200 RPM max speed, it includes a 7.000 in pilot output and 0.125 NPT inlet.

Approximate clutch facing life

6810 hphr

Bore details

Straight With Keyway And 3 Setscrews

Bore size

2.375 in, Machined Bore with Keyway, 1.625-2.250 in with Optional Adapter Bushings

Bore style

Machined Bore with Keyway, Nexen Adapter Bushing Required

CE certified

CE

Clutch air chamber volume when new

2.152 in³

Clutch air chamber volume when worn out

9.856 in³

Clutch facing edge color code

Green

Clutch facing effective area

66.76 in²

Clutch Facing Type

Low Coefficient

Clutch heat sink capacity

200000 ftlb

Clutch peak thermal input rate

60.10 hp

Clutch response factor

0.397

Drive inertia

1263.04 lbin²

Enclosure

Open

Engagement method

Air

Finish

Black oxide

Inlet size

0.125 NPT

Input bore min shaft insertion

5.63 in, From Pilot End Full From Air Chamber End

Length

10.25 in

Materials of construction

Black oxide

Max ambient temperature (°F)

150

Max bore size

60.325 mm

Max clutch continuous thermal dissipation

2.25 hp

Max operating pressure (psi)

80

Max Speed

1200 RPM

Max static clutch torque

3000 inlb

Min ambient temperature (°F)

32

Min bore size

41.275 mm

Min engagement pressure (psi)

8

Min sprocket size

80/35T, 100/27T

Mounting style

Shaft

Open or enclosed design

Open

Outer Diameter

11.06 in

Output bolt circle

8.5 in

Output bolt hole size

6 0.625-11 in, Holes @ 60°

Output shaft style

None

Output type

Pilot

Pilot size

7.000 in

Product features

Air Engaged, Keyed, Straight Bore, Shaft Mount, Pilot Output

Release method

Spring

RoHS compliant

RoHS

RPM

1200

Shaft inertia

272.98 lbin²