Nexen 828122 is an air engaged tension brake with a shaft mount design and a 75 mm straight machined bore with keyway. This open-style brake features a black oxide finish, single caliper actuation, and spring release. It delivers 252 Nm max static torque and 214 Nm max dynamic torque, with a max speed of 1800 RPM. Suitable for continuous slip, cyclic dynamic, e-stop, and holding applications.

Actuation type

Single Actuator

Anti rotation style

Flange, Optional Torque Pin Bracket

Approximate brake facing life

3429.5 kWhr

Bore details

Straight

Bore size

75 mm, Machined Bore with Keyway

Bore style

Machined Bore with Keyway

Brake air chamber volume when new

69.186 cm³

Brake air chamber volume when worn out

171.130 cm³

Brake facing edge color code

Green

Brake facing effective area

324 cm²

Brake facing type

Low Coefficient

Brake heat sink capacity

574815 Joule

Brake peak thermal input rate

33.60 kW

Brake response factor

0.398

Braking capability

Continuous Slip, Cyclic Dynamic, E-Stop, Holding

CE certified

CE

Enclosure

Open

Engagement method

Air

Finish

Black oxide

Inlet size

0.250 BSPT

Length

103.0 mm

Materials of construction

Black oxide

Max allowable pressure (bar)

8.3

Max ambient temperature (°F)

150

Max brake continuous thermal dissipation

4.10 kW

Max dynamic torque

214 Nm

Max operating pressure (bar)

6.0

Max Speed

1800 RPM

Max static torque

252 Nm

Min ambient temperature (°F)

32

Min engagement pressure (bar)

0.2

Mounting style

Flange, Shaft

Open or enclosed design

Open

Outer Diameter

302.0 mm

Output shaft style

None

Product features

Air Engaged, Shaft Mount, Single Caliper, Air Cooled, Straight Bore

Release method

Spring

RoHS compliant

RoHS

RPM

1800

Shaft inertia

502 kgcm²

Unit height

6.5 in

Unit width

12.5 in