# Nexen 828115 Air Engaged Shaft Mount Brake, 55 mm Bore, 420 Nm Torque, 1800 RPM - MROSupply.com

***Nexen 828115 air engaged shaft mount brake with 55 mm machined straight bore and keyway, delivering 420 Nm static brake torque at 1800 RPM. Open design with black oxide finish and spring release. Suitable for continuous slip, cyclic dynamic, e-stop, and holding applications. Flange or optional torque pin bracket anti-rotation. 0.250 BSPT inlet, 8.3 bar max allowable pressure.***



## Product details:

- Catalog number: 828115
- SKU: 534726
- Price: ***$1,736.72*** 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: 2286 kWhr
  

  
- Approximate engagement response time: 70 ms
  

  
- Bore details: Straight
  

  
- Bore size: 55 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: Red
  

  
- Brake facing effective area: 324 cm²
  

  
- Brake facing type: Standard coefficient
  

  
- Brake heat sink capacity: 271000 Joule
  

  
- Brake peak thermal input rate: 33.60 kW
  

  
- Brake torque: 420 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: 16W x 10H 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: 420 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
  

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

  
- Release method: Spring
  

  
- RoHS compliant: RoHS
  

  
- RPM: 1800
  

  
- Shaft inertia: 826 kgcm²
  
## Product documents / software:

- [Cutaway](https://documents.mrosupply.com/product_documents/82/828115/SBrakeCutaway.gif)
- [Thermalgraph](https://documents.mrosupply.com/product_documents/82/828115/S1000ThermalGraph.jpg)
- [Torquegraph](https://documents.mrosupply.com/product_documents/82/828115/S1000StTorqueGraph.jpg)
- [User Manual](https://documents.mrosupply.com/product_documents/88/887021/21180.pdf)

## Product's reviews:
- None - all good
- Great service - Provide great pricing, accurate order processing, and timely delivery. I recommend MRO for your electronic needs.
- 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.