# Nexen 828191 Air Engaged Shaft Mount Brake, 50 mm Bore, 420 Nm Torque, 1800 RPM - MROSupply.com

***Nexen 828191 is an air engaged shaft mount brake with a 50 mm machined bore with keyway. It delivers 420 Nm of static brake torque and operates at speeds up to 1800 RPM. The open design features a black oxide finish and a flange anti-rotation style. Suitable for continuous slip, cyclic dynamic, e-stop, and holding applications.***



## Product details:

- Catalog number: 828191
- SKU: 6036102
- Price: ***$3,112.13*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- 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
- 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: 50 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
  

  
- Engagement method: Air
  

  
- Finish: Black oxide
  

  
- Inlet size: 0.250 BSPT
  

  
- Input keyway: 14W x 9H 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
  

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

- [Burnishing Guide](https://documents.mrosupply.com/product_documents/64/23/6423331/BurnishingProcedureA_068kJu3.pdf)
- [PDF CAD Drawing](https://documents.mrosupply.com/product_documents/60/36/6036102/828191S_ZabQIQj.pdf)
- [Thermal Graph](https://documents.mrosupply.com/product_documents/60/36/6036102/S1000ThermalGraph_FNPs808.jpg)
- [Torque Graph](https://documents.mrosupply.com/product_documents/60/36/6036102/S1000StTorqueGraph_oor0k8h.jpg)
- [User Manual](https://documents.mrosupply.com/product_documents/60/36/6036102/20087_PoduRgd.pdf)
- [DXF CAD Drawing](https://documents.mrosupply.com/product_documents/60/36/6036102/828191S_khNJCIK.dxf)
- [STEP CAD File](https://documents.mrosupply.com/product_documents/60/36/6036102/1613067_ZrQnSsf.stp)

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