Nexen 827803 is an air engaged shaft mount brake with a 1.125 in straight machined bore with keyway. It delivers 616 in-lb of static torque at 1800 RPM and features a black oxide finish. This open-design brake is suitable for cyclic dynamic, e-stop, and holding applications. It includes a flange anti-rotation style and optional torque pin bracket.

Anti rotation style

Flange, Optional Torque Pin Bracket

Approximate brake facing life

115 hphr

Bore details

Straight

Bore size

1.125 in, Machined Bore with Keyway, 0.000-1.000 in with Optional Adapter Bushings

Bore style

Machined Bore with Keyway, Nexen Adapter Bushing Required

Brake air chamber volume when new

0.629 in³

Brake air chamber volume when worn out

1.422 in³

Brake facing edge color code

Purple

Brake facing effective area

11.9 in²

Brake facing type

High Coefficient

Brake heat sink capacity

30000 ftlb

Brake peak thermal input rate

11.00 hp

Brake response factor

0.09

Brake torque

616 inlb

Braking capability

Cyclic Dynamic, E-Stop, Holding

CE certified

CE

Enclosure

Open

Engagement method

Air

Finish

Black oxide

Inlet size

0.250 NPT

Length

2.51 in

Materials of construction

Black oxide

Max allowable pressure (psi)

120

Max ambient temperature (°F)

150

Max bore size

28.575 mm

Max brake continuous thermal dissipation

0.52 hp

Max operating pressure (psi)

80

Max Speed

1800 RPM

Max static brake torque

616 inlb

Min ambient temperature (°F)

32

Min bore size

19.05 mm

Min engagement pressure (psi)

3

Mounting style

Flange, Shaft

Open or enclosed design

Open

Outer Diameter

5.94 in

Output shaft style

None

Product features

Air Engaged, Shaft Mount, Straight Bore

Release method

Spring

RoHS compliant

RoHS

RPM

1800

Shaft inertia

4.74 lbin²

Unit height

4.75 in

Unit width

7 in