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835681 XTB-18 Rotor-Hub, 2.125", CCW
Unit of Measure

Specifications

Supplier Name

 N/A Nexen

Manufacturer Part Number

 N/A 835681

Model Number

 N/A XTB18

Bore Size

 N/A 2.1250 in

Bore Style

 N/A Bore to Size

Bore Type

 N/A Straight

Brake Series

 N/A XTB18

Calipers

 N/A 835451

Controllers

 N/A 912123 912145 964260 964354 964356 964520 964522 964531 964535

Cooling Enhancement

 N/A 835175

Direction of Rotation

 N/A Counter Clockwise

Disc Diameter

 N/A 18.0000 in

Disc Thickness

 N/A 2.06 in

Engagement

 N/A Air Engaged

Release

 N/A None

Facing Kit

 N/A 835471 (Low Coefficient) 835631 (Low Dust) 835643 (Ultra Low Coefficient)

Finish

 N/A Black Oxide

Function

 N/A Tensioning

Guards

 N/A 835445

Maximum Speed

 N/A 1900 rpm

Maximum Brake Continuous Thermal Dissipation

 N/A 31.60 hp

Maximum Dynamic Torque (Low)

 N/A 7947 in·lb

Maximum Dynamic Torque (Standard)

 N/A 14265 in·lb

Maximum Pressure

 N/A 85 psi

Minimum Engagement Pressure

 N/A 1 psi

Mounting Configuration

 N/A Shaft Mounted

Open or Enclosed Design

 N/A Open

Overall Diameter

 N/A 24.50 in

Overall Length

 N/A 8.26 in

Port Size

 N/A 1/8 in

Port Type

 N/A National Pipe Thread (NPT)

Rating

 N/A European Conformity (CE) Restriction of Hazardous Substances (RoHS)

Shaft Inertia

 N/A 2897.28 lb/in²

Torque Low Coefficient Caliper at 1 Pound per Square Inch (psi)

 N/A 11 in·lb

Torque Low Coefficient Caliper at 80 Pound per Square Inch (psi)

 N/A 883 in·lb

Torque Standard Coefficient Caliper at 1 Pound per Square Inch (psi)

 N/A 20 in·lb

Torque Standard Coefficient Caliper at 80 Pound per Square Inch (psi)

 N/A 1585 in·lb

Thermal Capacity

 N/A Up to 31.6 hp

Duty Type

 N/A Heavy Duty

Features & Benefits

Features & Benefits

 N/A
  • XTB multi-caliper tension control brakes maximize heat dissipation by deflecting it away from rotor the brake components
  • Fins on the rotor, hub back and calipers to throw dissipated heat into space, not into the brake
  • The fin design also draws cooler air around and over the brake
  • Thermal capacity up to 60 horsepower with a dual rotor

General Information

General Information

 N/A XTB 18 Heavy-duty Air Cooled Tension Control Brake, with up to 31.6 hp thermal capacity. Disc counter rotation reduces thermal performance by 10% for 0 - 500 rpm and 25% above 500 rpm. Purchase Disc, Calipers, Facings, and Guard Separately.