Nexen 819104 is an air engaged brake with flange and shaft mounting options. It features a black oxide finish, open design, and requires a customer-supplied taper bushing (QD JA). Rated for 1800 RPM max speed and 440 inlb static brake torque, it supports continuous slip, cyclic dynamic, e-stop, and holding applications. The brake has a 2.50 in length, 5.86 in outer diameter, and 0.250 NPT inlet.

Anti rotation style

Flange, Optional Torque Pin Bracket

Approximate brake facing life

230 hphr

Bore details

QD JA Customer Supplied

Bore size

0.000-1.000 in Customer Taper Bushing Required

Bore style

Customer Taper 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

Red

Brake facing effective area

11.9 in²

Brake facing type

Standard coefficient

Brake heat sink capacity

30000 ftlb

Brake peak thermal input rate

11.00 hp

Brake response factor

0.09

Brake torque

440 inlb

Braking capability

Continuous Slip, Cyclic Dynamic, E-Stop, Holding

CE certified

CE

Engagement method

Air

Finish

Black oxide

Inlet size

0.250 NPT

Length

2.50 in

Materials of construction

Black oxide

Max allowable pressure (psi)

120

Max ambient temperature (°F)

150

Max bore size

25.4 mm

Max brake continuous thermal dissipation

0.52 hp

Max operating pressure (psi)

80

Max Speed

1800 RPM

Max static brake torque

440 inlb

Min ambient temperature (°F)

32

Min engagement pressure (psi)

3

Mounting style

Flange, Shaft

Open or enclosed design

Open

Outer Diameter

5.86 in

Output shaft style

None

Product features

Air Engaged, Shaft Mount, Straight Bore

Release method

Spring

RoHS compliant

RoHS

Shaft inertia

4.74 lbin²

Unit height

4.75 in

Unit width

7 in