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Rotary Brakes

Start your search...

Engagement Method

Mounting Style

Flange
Foot
Motor or Reducer
Shaft

About our Rotary Friction Brakes

Rotary Brakes have a hub/shaft and integral friction disc, and facing for ease of installation are available with either spring or air engagement and shaft, flange, or foot mounting styles.

Nexen has been producing industrial clutches, brakes, and web tension control products for over 50 years and remains the leader in pneumatic power transmission components worldwide. Millions of people see, touch or use items produced with equipment that requires one or more Nexen products daily.

Customers span every industry – from multinational corporations to small businesses – and range from design engineers to plant maintenance personnel. Regardless of industry or profession, the reason for using Nexen products remains the same: they are simple, durable, high-quality products our customers can trust.

 

Nexen's Rotary BrakesNexen's Rotary Brakes

Compare our Rotary Brakes

 

SPRING Engaged SPRING Engaged, SHAFT Mount SHAFT Mount

SSE Rotary Brakes TSE Rotary Brakes SE Rotary Brakes
 

SSE

 TSE SE
Torque Maximum Static Brake Torque:
up to 904 Nm [8000 in-lb]		 Maximum Static Brake Torque:
up to 904 Nm [8000 in-lb]		 Minimum Static Brake Torque:
up to 226 Nm [2000 in-lb]
Purpose Shaft Mount Brake Shaft Mount Brake Motor Brake for NEMA C-Face Motors.
Braking Power-Off Holding, High Cyclic Dynamic Power-Off Holding, High Cyclic Dynamic Power-Off Holding, Non-Cyclic Emergency Only Dynamic
Mounting Flange Anti-Rotation: Slot for Optional Pin/Bracket.
Brake Mounting: No Flange Mounting Allowed. Shaft Supports Brake.		 Anti-Rotation: Slot for Optional Bracket.
Brake Mounting: No Flange Mounting Allowed. Shaft Supports Brake.		 Anti-Rotation: Optional Bracket Accessory.
Brake Mounting: Two Flanges with Pilots. Shaft or Flange Supports Brake.
Hub Keyed Female Through Bore Keyed Female Through Bore Keyed Female Through Bore
Available Hub Bore Diameters 1.375 up to 3.438 in, 20 to 100 mm 0.563 to 3.938 in, 19 to 80 mm 0.625 to 1.375 in
Housing Open, Optional Guard Open, Optional Guard Open
Mounting Position Can be Mounted in Any Position Can be Mounted in Any Position Not for Vertical Mount Applications

 

 

AIR Engaged AIR Engaged, SHAFT Mount SHAFT Mount

 Micro & B-275 Clutches with Brake Adapter Rotary Brakes S Brake Rotary Brakes T Brake DPB Rotary Brakes
 

Micro & B-275
Clutches with Brake Adapter

 S Brake

 T Brake

 DPB
Torque Maximum Static Brake Torque:
up to 11 Nm [100 inlbs]		 Maximum Static Brake Torque:
up to 1582 Nm [14,000 inlbs]		 Maximum Static Brake Torque:
up to 1582 Nm [14,000 inlbs]		 Maximum Static Brake Torque:
up to 4067 Nm [36,000 inlbs]
Purpose Shaft Mount Brake Made from a Micro or B-275 Clutch with a Brake Adapter to Fix the Output Shaft Mount Brake Shaft Mount Brake Shaft Mount Brake
Braking Holding, High Cyclic Dynamic, Continuous Slipping Holding, High Cyclic Dynamic, Slipping Holding, High Cyclic Dynamic, Slipping Holding, High Cyclic Dynamic, Slipping
Mounting Flange Anti-Rotation: Flange without Pilot, Slot for Pin/Bracket. Brake Mounting: Shaft Supports Brake. Anti-Rotation: Slot for Optional Pin/Bracket.
Brake Mounting: No Flange Mounting Allowed. Shaft Supports Brake		 Anti-Rotation: Slot for Optional Pin/Bracket.
Brake Mounting: No Flange Mounting Allowed. Shaft Supports Brake.		 Anti-Rotation: Flange without Pilot.
Brake Mounting: Shaft Supports Brake.
Hub Keyed Female Through Bore Keyed Female Through Bore Tapered Bore to Accept Customer-Supplied QD Bushing Tapered Bore to Accept Customer-Supplied QD Bushing
Available Hub Bore Diameters 0.375 to 0.625 in, 10 to 16 mm 1.000 to 3.438 in, 16 to 75 mm  0.563 to 3.938 in., 19 to 80 mm  0.375 to 4.000 in.
Housing Open Open, Optional Guard Open, Optional Guard Open
Mounting Position Can be Mounted in Any Position Can be Mounted in Any Position Can be Mounted in Any Position Not for Vertical Mount Applications

 

 

SPRING Engaged SPRING Engaged, FOOT Mount FOOT Mount, MOTOR or REDUCER Mount MOTOR or REDUCER Mount

 EMB Rotary Brakes FMBES Rotary Brakes FMBS Rotary Brakes SE Rotary Brakes FMBES Rotary Brakes MB Rotary Brakes
  EMB FMBES FMBS SE FMBES-EM MB
Torque Minimum Static Brake Torque:
Up to 14 to 125 Nm [124 to 1106 in-lb]		 Minimum Static Brake Torque:
Up to 22.6 to 101.7 Nm [200 to 900 in-lb]		 Minimum Static Brake Torque:
Up to 122 to 203.4 Nm [1080 to 1800 in-lb]		 Minimum Static Brake Torque: Up to 1.3 to 226 Nm [100 to 2000 in-lb] Minimum Static Brake Torque:
Up to 101.7 Nm [900 in-lb]		 Minimum Static Brake Torque:
Up to 50.8 to 293.8 Nm [450 to 2600 in-lb]
Purpose Motor Brake for 0.5 to 20 hp NEMA TC Flange C-Face Motors as well as 0.25 to 7.5 kW IEC B5 Flange Motors Motor Brake for 56 C to 215TC NEMA C-Face Motors Ideal for High-Cycle Applications Motor Brake for NEMA C-Face Motors. Motor Brake for 56 C to 215TC NEMA C-Face Motors Motor Brake for Double Shafted NEMA C-Face Motors
Braking Power-Off Holding, Non-Cyclic Emergency Only Dynamic Power-Off Holding, High Cyclic Dynamic Power-Off Holding, High Cyclic Dynamic Power-Off Holding, Non-Cyclic Dynamic Power-Off Holding, High Cyclic Dynamic Power-Off Holding, Non-Cyclic Dynamic
Input Side Flange NEMA & IEC Flange with Pilot NEMA or IEC Flange with Pilot. Optional Foot Mount Accessory. NEMA or IEC Flange with Pilot. Optional Foot Mount Accessory. NEMA or IEC Flange with Pilot. Optional Foot Mount Accessory. Optional Anti-Rotation Bracket Accessory. NEMA or IEC Flange with Pilot. NEMA or IEC Flange with Pilot
Output Side Flange NEMA or IEC Flange with Pilot NEMA or IEC Flange with Pilot. Optional Foot Mount Accessory NEMA or IEC Flange with Pilot. Optional Foot Mount Accessory. NEMA or IEC Flange with Pilot. Foot Mount Accessory. Optional Anti-Rotation Bracket Accessory. None None
Input Side of Hub Keyed Female Bore with Set Screw. Keyed Female Bore with Clamp Collar Available. Keyed Female Bore with Set Screw Keyed Female Bore with Clamp Collar Keyed Female Through Bore.
No Set Screw.		 Keyed Female Bore with Set Screw Keyed Female Through Bore with Set Screw. Note: Brake and Hub are Ordered Separately
Output Side of Hub Keyed Male Output Shaft Keyed Male Output Shaft Keyed Male Output Shaft None. Optional Output Shaft Accessory None None
Available Input Bore/Output Shaft Diameters 0.625 to 1.625 in, 14 to 38 mm 0.625 to 1.375 in 0.875 to 1.625 in 0.625 to 1.375 in 0.625 to 1.375 in 0.500 to 1.875 in
Housing Enclosed Enclosed, with corrosion resistance & water protection Open, Optional Guard Open Enclosed, with corrosion resistance & water protection Enclosed
Mounting Position Can be Mounted in Any Position Can be Mounted in Any Position Can be Mounted in Any Position Not for Vertical Mount Applications Can be Mounted in Any Position Not for Vertical Mount Applications
Manual Release None Manual Release Feature None Manual Release Feature Manual Release Feature None

 

 

AIR Engaged AIR Engaged, FOOT Mount FOOT Mount, MOTOR or REDUCER Mount MOTOR or REDUCER Mount

 MBU Rotary Brakes
  MBU
Torque up to 248 Nm [2,198 in-lb]
Purpose Motor Brake for 0.5 to 10 hp NEMA TC Flange C-Face Motors
Braking Holding, High Cyclic Dynamic, Slipping
Input Side Flange NEMA or IEC Flange with Pilot. Optional Foot Mount Accessory, Optional MIU Input Adapter.
Output Side Flange NEMA or IEC Flange with Pilot. Optional Foot Mount Accessory
Input Side of Hub Keyed Female Bore. Keyed Male Output Shaft as an Accessory
Output Side of Hub Keyed Output Shaft
Available Input Bore/Output Shaft Diameters 0.625 to 1.375 in
Housing Open, Optional Guard
Mounting Position Can Be Mounted in Any Position

 

 

SPRING Engaged SPRING Engaged, FLANGE Mount Brakes  FLANGE Mount Brakes 

 ZSE Rotary Brakes DFB and QEB Rotary Brakes
  ZSE

DFB & QFB
Torque Minimum Static Brake Torque: up to 300 Nm [2,655 in-lb] Maximum Static Brake Torque:
up to 18,620 Nm [164,800 in-lb]
Purpose Flange or Housing Mounted Brake, Zero Backlash Flange or Housing Mounted Brake
Braking Power-Off Holding, Non-Cyclic Emergency Only Dynamic Power-Off Holding, Non-Cyclic Dynamic
Mounting Flange Anti-Rotation: Flange without Pilot. Brake Mounting: Flange without Pilot Supports Brake. Anti-Rotation: Flange with Pilot.
Brake Mounting: Flange with Pilot Supports Brake, no Bearings
Hub Keyed Female Through Bore with Clamp Collar Keyed Female Through Bore, or Keyless Blank Female Through Bore
Available Hub Bore Diameters 0.500 to 2.938 in, 25 to 75 mm 1.000 to 5.438 in
Housing Open Open
Mounting Position Can be Mounted in Any Position Not for Vertical Mount Applications

 

 

AIR Engaged AIR Engaged, FLANGE Mount Brakes  FLANGE Mount Brakes 

 4H with Flange Output Clutch with Brake Adapter Rotary Brakes DFE & QFE
  4H with Flange Output
Clutch with Brake Adapter

DFE & QFE
Torque Maximum Static Brake Torque:
up to 1,130 Nm [10,000 inlbs]		 Maximum Static Brake Torque:
up to 34,121 Nm [302,000 in-lb]
Purpose 4H Clutch with Flange Brake Adapter to Fix the Output. No Output Bearing. Flange or Housing Mounted Brake
Braking Holding, High Cyclic Dynamic Holding, Non-Cyclic Dynamic
Mounting Flange Anti-Rotation: Flange without Pilot.
Brake Mounting: Shaft Supports Brake. Output Flange Supports Output. No Bearings in Output.		 Anti-Rotation: Flange with Pilot,
Brake Mounting: Flange Supports Brake, no Bearings.
Hub Keyed Female Through Bore Keyed Female Through Bore, or Keyless Blank Female Through Bore (Requires Finish Machining)
Available Hub Bore Diameters 0.875 to 2.188 in, 25 to 40 mm 1.000 to 6.500 in
Housing Open Open
Mounting Position Can be Mounted in Any Position Not for Vertical Mount Applications

 

Required Components and Accessories for our Rotary Brakes

Listed below are some of the Required Components and Accessories for Rotary Brakes. Use the filters above to find the complete list of Required Components and Accessories on the product page.

Required Components

  • 3-Way Valve

Accessories

  • Motor Brake Adapters
  • Guards
  • Torque Pin Brackets
  • Torque Arms
  • Control Kits
  • Filters
  • Flow Control Valves
  • Lubricator
  • Mufflers
  • Quick Exhaust/shuttles
  • Regulators 
  • Restrictor Valves
  • Dancer Controllers
  • Diameter-Based Tension Controls
  • Load Cell-Based Tension Controls
  • Adapter Shafts 
  • Output Drive Units 
  • Mounting Adapters
  • Input Units

Applications

Nexen's Rotary Brakes are easy to install and are integral in applications that need:

  • Accurate positioning
  • Controlled deceleration
  • Cycling/Indexing
  • Stopping/Holding
  • Unwind tension control

More Information

Not finding what you are looking for?

 

Note: The technical data on this website is subject to change without notice. Please contact Nexen for help with your application, appropriate sizing, and configuration.