Nexen 912409 Air Engaged Positioning Tooth Clutch with shaft mount and spring release. Features a machined aluminum air chamber, black oxide pilot, and 1.563 in machined bore with keyway. Rated for 4900 inlb static torque at 3000 RPM max speed. Single position engagement at 360° with 0.28° backlash. Open design with 0.125-27 NPTM air inlet and 4.125 in pilot size.

Air chamber volume

0.763 in³

Backlash

0.28 °

Bore details

Straight

Bore size

1.563 in, Machined Bore with Keyway

Bore style

Machined Bore with Keyway

CE certified

CE

Drive inertia

35.59 lbin²

Enclosure

Open

Engagement method

Air

Finish

Machined aluminum air chamber

Hose length

8.25 in

Inlet size

0.125-27 NPTM

Materials of construction

Machined Aluminum Air Chamber Black Oxide Pilot

Max allowable pressure (psi)

120

Max ambient temperature (°F)

150

Max operating pressure (psi)

80

Max Speed

3000 RPM

Max static clutch torque

4900 inlb

Min ambient temperature (°F)

32

Min engagement pressure (psi)

20

Min sprocket size

40/36T, 50/30T, 60/26T, 80/20T

Min static clutch torque

1230 inlb

Mounting style

Shaft

Number of engagement positions

1, @ 360°

Open or enclosed design

Open

Output bolt circle

4.75 in

Output bolt hole size

4 0.250-20 in, Holes @ 90°

Output configuration

Pilot

Pilot size

4.125 in

Positioning

Positioning

Product features

Air Engaged, Spring Released, Pilot Mount, Single Position

Release method

Spring

Restrictions

Consult Nexen For Use In Cyclic Applications Or Engagement At Differential Speeds

RoHS compliant

RoHS

RPM

3000

Shaft inertia

12.43 lbin²

Unit height

7 in

Unit width

7 in