Nexen 827820 is an air engaged tension brake with a shaft mount design and a 25 mm straight machined bore with keyway. This open-style brake features a black oxide finish, single caliper actuation, and spring release. It delivers 55 Nm max static torque and 47 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

171.5 kWhr

Bore details

Straight

Bore size

25 mm, Machined Bore with Keyway

Bore style

Machined Bore with Keyway

Brake air chamber volume when new

10.310 cm³

Brake air chamber volume when worn out

23.300 cm³

Brake facing edge color code

Red

Brake facing effective area

77 cm²

Brake facing type

Standard coefficient

Brake heat sink capacity

71491 Joule

Brake peak thermal input rate

8.20 kW

Brake response factor

0.09

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

64.0 mm

Materials of construction

Black oxide

Max allowable pressure (bar)

8.3

Max ambient temperature (°F)

150

Max brake continuous thermal dissipation

1.42 kW

Max dynamic torque

47 Nm

Max operating pressure (bar)

6.0

Max Speed

1800 RPM

Max static torque

55 Nm

Min ambient temperature (°F)

32

Min engagement pressure (bar)

0.2

Mounting style

Flange, Shaft

Open or enclosed design

Open

Outer Diameter

151.0 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

800 kgcm²

Unit height

4.75 in

Unit width

7 in