Nexen 835684 is an air engaged modular multi-caliper tension brake with a shaft mount design and 1.750 in machined bore with keyway. It features an 18 in disc diameter, 1900 RPM max speed, and blue powder paint finish. This open-style brake supports up to 9 calipers (sold separately) for continuous slip, e-stop, and holding applications.

Actuation type

Multiple Calipers, Up to 9 Calipers, Sold Separately

Anti rotation style

Standoff Studs

Body length

7.00 in

Bore details

Straight

Bore size

1.750 in, Machined Bore with Keyway

Bore style

Machined Bore with Keyway

Braking capability

Continuous Slip, E-Stop, Holding

CE certified

CE

Direction of rotation

Clockwise

Disc diameter

18 in

Disc thickness

2.06 in

Enclosure

Open

Engagement method

Air

Finish

Blue Powder Paint

Length

11.49 in, With Guard 9.00 Without

Materials of construction

Blue Powder Paint

Max ambient temperature (°F)

150

Max brake continuous thermal dissipation

41.10 hp

Max dynamic torque low coefficient

7947 inlb

Max dynamic torque standard coefficient

14265 inlb

Max number of calipers

9

Max operating pressure (psi)

85

Max Speed

1900 RPM

Max torque with 1 low coefficient caliper (psi)

883 inlb, @ 80

Max torque with 1 standard coefficient caliper (psi)

1363 inlb, @ 80

Max torque with 1 ultra-low coefficient caliper (psi)

883 inlb, @ 80

Min ambient temperature (°F)

32

Min engagement pressure (psi)

1

Min torque with 1 low coefficient caliper (psi)

11 inlb, @ 1

Min torque with 1 standard coefficient caliper (psi)

17 inlb, @ 1

Min torque with 1 ultra-low coefficient caliper (psi)

11 inlb, @ 1

Mounting style

Shaft

Open or enclosed design

Open

Outer Diameter

25.88 in, With Guard 24.50 Without

Product features

Air Engaged, Shaft Mount, Multi-Caliper, Cross Drilled, Air Cooled, Heavy Duty, Rotor-Hub Only

Release method

N/A

Restrictions

Disc Counter Rotation Reduces Thermal Performance By 10% For 0 - 500 RPM And 25% Above 500 RPM

RoHS compliant

RoHS

RPM

1900

Shaft inertia

18.79 lbft²