# Nexen 828119 Air Engaged Shaft Mount Brake, 75 mm Bore, 252 Nm Torque, 1800 RPM - MROSupply.com

***Nexen 828119 air engaged shaft mount brake with 75 mm machined straight bore and keyway, delivering 252 Nm static brake torque at 1800 RPM. Open design with black oxide construction, low coefficient brake facing, and flange anti-rotation style. Suitable for continuous slip, cyclic dynamic, e-stop, and holding applications.***



## Product details:

- Catalog number: 828119
- SKU: 534728
- Price: ***$1,949.25*** 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;

  
- Anti rotation style: Flange, Optional Torque Pin Bracket
  

  
- Approximate brake facing life: 3430 kWhr
  

  
- Approximate engagement response time: 70 ms
  

  
- Bore details: Straight
  

  
- Bore size: 75 mm, Machined Bore with Keyway
  

  
- Bore style: Machined Bore with Keyway
  

  
- Brake air chamber volume when new: 30.267 cm³
  

  
- Brake air chamber volume when worn out: 175.456 cm³
  

  
- Brake facing edge color code: Green
  

  
- Brake facing effective area: 324 cm²
  

  
- Brake facing type: Low Coefficient
  

  
- Brake heat sink capacity: 271000 Joule
  

  
- Brake peak thermal input rate: 33.60 kW
  

  
- Brake response factor: 0.398
  

  
- Brake torque: 252 Nm
  

  
- 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
  

  
- Input keyway: 20W x 12H x 100.8L mm
  

  
- Input shaft securement: 3, M6 x 1.0 , Set Screws @ 120°
  

  
- Length: 102.4 mm
  

  
- Materials of construction: Black oxide
  

  
- Max allowable pressure (bar): 8.3
  

  
- Max ambient temperature (°C): 66
  

  
- Max brake continuous thermal dissipation: 2.23 kW
  

  
- Max operating pressure (bar): 6.0
  

  
- Max Speed: 1800 RPM
  

  
- Max static brake torque: 252 Nm
  

  
- Min ambient temperature (°C): 0
  

  
- Min engagement pressure (bar): 0.2
  

  
- Mounting style: Flange, Shaft
  

  
- Open or enclosed design: Open
  

  
- Outer Diameter: 301.8 mm
  

  
- Output shaft style: None
  

  
- Product features: Air Engaged, Metric, Shaft Mount, Straight Bore
  

  
- Release method: Spring
  

  
- RoHS compliant: RoHS
  

  
- RPM: 1800
  

  
- Shaft inertia: 826 kgcm²
  

  
- Unit height: 6.5 in
  

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

- [Cutaway](https://documents.mrosupply.com/product_documents/82/828119/SBrakeCutaway.gif)
- [Thermalgraph](https://documents.mrosupply.com/product_documents/82/828119/S1000ThermalGraph.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.