# Nexen 828122 Air Engaged Tension Brake - Shaft Mount, 75 mm Bore, 1800 RPM, 252 Nm Max Static Torque - MROSupply.com

***Nexen 828122 air engaged tension brake with shaft mount design and 75 mm straight machined bore with keyway. Open-style brake features black oxide finish, single caliper actuation, and spring release. Delivers 252 Nm max static torque and 214 Nm max dynamic torque at 1800 RPM. Suitable for continuous slip, cyclic dynamic, e-stop, and holding applications.***



## Product details:

- Catalog number: 828122
- SKU: 533197
- Price: ***$2,026.88*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 3 days
- Brand: [Nexen](https://www.mrosupply.com/brands/nexen/)
- Category: 
    - [Pneumatic Brakes](htts://www.mrosupply.com/clutches-and-brakes/pneumatic-clutches-brakes/pneumatic-brakes/)
    - [Pneumatic Clutches & Brakes](htts://www.mrosupply.com/clutches-and-brakes/pneumatic-clutches-brakes/)
    - [Clutches and Brakes](htts://www.mrosupply.com/clutches-and-brakes/)
- Unit of measure: each
- Weight: 52.000 lb
- Technicall support: contact supplier for technical support on 800 843 7445


## Product images:
- https://static.mrosupply.com/images/noimage.webp


## Product attributes;

  
- Actuation type: Single Actuator
  

  
- Anti rotation style: Flange, Optional Torque Pin Bracket
  

  
- Approximate brake facing life: 3429.5 kWhr
  

  
- Bore details: Straight
  

  
- Bore size: 75 mm, Machined Bore with Keyway
  

  
- Bore style: Machined Bore with Keyway
  

  
- Brake air chamber volume when new: 69.186 cm³
  

  
- Brake air chamber volume when worn out: 171.130 cm³
  

  
- Brake facing edge color code: Green
  

  
- Brake facing effective area: 324 cm²
  

  
- Brake facing type: Low Coefficient
  

  
- Brake heat sink capacity: 574815 Joule
  

  
- Brake peak thermal input rate: 33.60 kW
  

  
- Brake response factor: 0.398
  

  
- Braking capability: Continuous Slip, Cyclic Dynamic, E-Stop, Holding
  

  
- CE certified: CE
  

  
- Enclosure: Open
  

  
- Engagement method: Air
  

  
- Finish: Black oxide
  

  
- Inlet size: 0.250 BSPT
  

  
- Length: 103.0 mm
  

  
- Materials of construction: Black oxide
  

  
- Max allowable pressure (bar): 8.3
  

  
- Max ambient temperature (°F): 150
  

  
- Max brake continuous thermal dissipation: 4.10 kW
  

  
- Max dynamic torque: 214 Nm
  

  
- Max operating pressure (bar): 6.0
  

  
- Max Speed: 1800 RPM
  

  
- Max static torque: 252 Nm
  

  
- Min ambient temperature (°F): 32
  

  
- Min engagement pressure (bar): 0.2
  

  
- Mounting style: Flange, Shaft
  

  
- Open or enclosed design: Open
  

  
- Outer Diameter: 302.0 mm
  

  
- 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: 502 kgcm²
  

  
- Unit height: 6.5 in
  

  
- Unit width: 12.5 in
  
## Product documents / software:

- [Cutaway](https://documents.mrosupply.com/product_documents/82/828122/SBrakeCutaway.gif)
- [PDF Cad Drawing](https://documents.mrosupply.com/product_documents/82/828122/828122s.pdf)
- [Technical Data Sheet](https://documents.mrosupply.com/product_documents/92/927507/21181.pdf)
- [Thermalgraph](https://documents.mrosupply.com/product_documents/82/828122/S1000AThermalGraph.jpg)
- [User Manual](https://documents.mrosupply.com/product_documents/88/887021/21180.pdf)

## Product's reviews:
- Great service - Provide great pricing, accurate order processing, and timely delivery. I recommend MRO for your electronic needs.
- None - all good
- Great prices and great service - I continue to use MRO for various production parts I need. They beat the competition hands down. And the delivery is timely.