Nexen 912900 Air Engaged Positioning Tooth Clutch with a 2.938 in machined bore and keyway. This shaft-mounted clutch delivers 32680 inlb of static torque at 2000 RPM. Features a machined aluminum air chamber and black oxide pilot. Single position engagement at 360° with 0.22° backlash. Open design with 0.250-18 NPTM air inlet and 8.25 in hose. Spring release for fail-safe disengagement.

Air chamber volume

2.647 in³

Backlash

0.22 °

Bore details

Straight

Bore size

2.938 in, Machined Bore with Keyway

Bore style

Machined Bore with Keyway

CE certified

CE

Drive inertia

349.01 lbin²

Enclosure

Open

Engagement method

Air

Finish

Machined aluminum air chamber

Hose length

8.25 in

Inlet size

0.250-18 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

2000 RPM

Max static clutch torque

32680 inlb

Min ambient temperature (°F)

32

Min engagement pressure (psi)

20

Min sprocket size

80/33T, 100/27T, 120/23T, 140/21T, 160/19T

Min static clutch torque

8170 inlb

Mounting style

Shaft

Number of engagement positions

1, @ 360°

Open or enclosed design

Open

Output bolt circle

8.5 in

Output bolt hole size

6 0.500-13 in, Holes @ 60°

Output configuration

Pilot

Pilot size

7.375 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

2000

Shaft inertia

73.45 lbin²

Unit height

12 in

Unit width

12 in