Nexen 828100 air engaged shaft mount brake with 2.938 in machined bore and keyway, accepting optional adapter bushings for bores 0.000–2.750 in. Delivers 3450 in-lb static torque at 80 psi max operating pressure, with a max speed of 1800 RPM. Open design with black oxide finish, 0.250 NPT inlet, and flange anti-rotation. Suitable for continuous slip, cyclic dynamic, e-stop, and holding applications.

Anti rotation style

Flange, Optional Torque Pin Bracket

Approximate brake facing life

3066 hphr

Bore details

Straight

Bore size

2.938 in, Machined Bore with Keyway, 0.000-2.750 in with Optional Adapter Bushings

Bore style

Machined Bore with Keyway, Nexen Adapter Bushing Required

Brake air chamber volume when new

1.847 in³

Brake air chamber volume when worn out

10.707 in³

Brake facing edge color code

Red

Brake facing effective area

50.3 in²

Brake facing type

Standard coefficient

Brake heat sink capacity

200000 ftlb

Brake peak thermal input rate

45.00 hp

Brake response factor

0.398

Brake torque

3450 inlb

Braking capability

Continuous Slip, Cyclic Dynamic, E-Stop, Holding

CE certified

CE

Enclosure

Open

Engagement method

Air

Finish

Black oxide

Inlet size

0.250 NPT

Length

4.03 in

Materials of construction

Black oxide

Max allowable pressure (psi)

120

Max ambient temperature (°F)

150

Max bore size

74.6252 mm

Max brake continuous thermal dissipation

3.00 hp

Max operating pressure (psi)

80

Max Speed

1800 RPM

Max static brake torque

3450 inlb

Min ambient temperature (°F)

32

Min bore size

31.75 mm

Min engagement pressure (psi)

3

Mounting style

Flange, Shaft

Open or enclosed design

Open

Outer Diameter

11.88 in

Output shaft style

None

Product features

Air Engaged, Shaft Mount, Straight Bore

Release method

Spring

RoHS compliant

RoHS

RPM

1800

Shaft inertia

282.24 lbin²

Unit height

6.5 in

Unit width

12.5 in