Nexen 827902 is an air engaged tension brake with a shaft mount design and straight bore of 1.375 in. It features a black oxide finish, open enclosure, and a single caliper air-cooled configuration. The brake uses Teflon (ultra low coefficient) facings and provides continuous slip, cyclic dynamic, e-stop, and holding braking capability. Maximum static torque is 336 in-lb and dynamic torque is 286 in-lb at 1800 RPM.

Anti rotation style

Flange, Optional Torque Pin Bracket

Approximate brake facing life

1280 hphr

Bore details

Straight

Bore size

1.375 in, Machined Bore with Keyway, 0.750-1.250 in with Optional Adapter Bushings

Bore style

Machined Bore with Keyway, Nexen Adapter Bushing Required

Brake air chamber volume when new

1.024 in³

Brake air chamber volume when worn out

2.108 in³

Brake facing edge color code

No Color Code, Tan Overall

Brake facing effective area

18.6 in²

Brake facing type

Teflon (Ultra Low) Coefficient

Brake heat sink capacity

60000 ftlb

Brake peak thermal input rate

9.00 hp

Brake response factor

0.124

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

3.20 in

Materials of construction

Black oxide

Max allowable pressure (psi)

120

Max ambient temperature (°F)

150

Max bore size

34.925 mm

Max brake continuous thermal dissipation

0.70 hp

Max dynamic torque

286 inlb

Max operating pressure (psi)

80

Max Speed

1800 RPM

Max static brake torque

336.00 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

7.19 in

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

20.16 lbin²

Unit height

5.5 in

Unit width

10 in