Nexen 800409 Air Engaged Shaft End Mount Clutch with a 1.250 in machined straight bore and keyway. This open-design clutch delivers 1400 in-lb max static torque and 1190 in-lb max dynamic torque at 3000 RPM max speed. Features a spring release, pilot output, and rotary air union. Suitable for shaft end mounting with a 3.740 in pilot size and 0.125 NPT air inlet.

Approximate clutch facing life

929 hphr

Bore details

Straight

Bore size

1.250 in, Machined Bore with Keyway

Bore style

Machined Bore with Keyway

Clutch air chamber volume when new

0.982 in³

Clutch air chamber volume when worn out

3.318 in³

Clutch facing edge color code

Red

Clutch facing effective area

23.45 in²

Clutch Facing Type

Standard coefficient

Clutch heat sink capacity

46750 ftlb

Clutch peak thermal input rate

21.05 hp

Clutch response factor

0.28

Drive inertia

97.52 lbin²

Engagement method

Air

Inlet size

0.125 NPT

Length

7.70 in

Max ambient temperature (°F)

150

Max clutch continuous thermal dissipation

0.72 hp

Max dynamic torque

1190 inlb

Max operating pressure (psi)

80

Max Speed

3000 RPM

Max static clutch torque

1400 inlb

Min ambient temperature (°F)

32

Min engagement pressure (psi)

5

Min sprocket size

35/45T, 40/34T, 50/28T, 60/24T, 80/19T

Mounting style

Shaft

Open or enclosed design

Open

Outer Diameter

8.50 in

Output bolt circle

4.375 in

Output bolt hole size

6 0.375-16 in, Holes @ 60°

Output shaft style

None

Output type

Pilot

Pilot size

3.740 in

Product features

Air Engaged, Straight Bore, Shaft End Mount, Rotary Air Union, Pilot Output

Release method

Spring

Shaft inertia

36.57 lbin²