Nexen 964077 is a spring engaged, air released flange mount brake with an unfinished blank bore that can be finished up to 6.000 in. It delivers 48000 in-lb of static brake torque and operates at a maximum speed of 1100 RPM. The open design features a black oxide finish and a high coefficient brake facing. This brake is suitable for cyclic dynamic, e-stop, and holding applications.

Anti rotation style

Flange

Approximate brake facing life

8343 hphr

Bore details

Unfinished Pilot Bore

Bore size

2.500 in, Blank Bore can be finished up to 6.000 in

Bore style

Unfinished Blank Bore

Brake air chamber volume when new

70.200 in³

Brake air chamber volume when worn out

21.100 in³

Brake facing edge color code

Purple

Brake facing effective area

330.0 in²

Brake facing type

High Coefficient

Brake heat sink capacity

1187000 ftlb

Brake peak thermal input rate

297.00 hp

Brake torque

48000 inlb

Braking capability

Cyclic Dynamic, E-Stop, Holding

CE certified

CE

Enclosure

Open

Engagement method

Spring

Finish

Black oxide

Inlet size

0.500 NPT

Length

8.74 in

Materials of construction

Black oxide

Max allowable pressure (psi)

120

Max ambient temperature (°F)

150

Max bore size

152.4 mm

Max brake continuous thermal dissipation

10.70 hp

Max Speed

1100 RPM

Max static brake torque

48000 inlb

Min ambient temperature (°F)

32

Min bore size

63.5 mm

Min release pressure (bar)

4.5507 bar

Min release pressure (psi)

66

Mounting style

Flange

Open or enclosed design

Open

Outer Diameter

27.00 in

Output shaft style

None

Product features

Spring Engaged, Shaft Mount, Straight Bore

Release method

Air

Restrictions

Not Designed For Vertical Mounting, Consult Nexen For Use In Cyclic Applications

RoHS compliant

RoHS

RPM

1100

Shaft inertia

6494.4 lbin²

Unit height

20 in

Unit width

31 in