# Nexen 828000 Air Engaged Shaft Mount Brake, 1.938 in Bore, 1800 RPM, 1600 inlb Torque - MROSupply.com

***Nexen 828000 air engaged shaft mount brake with 1.938 in straight bore and keyway, delivering 1600 inlb static 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 shaft mount, 9.00 in OD, 0.250 NPT inlet, CE and RoHS compliant.***



## Product details:

- Catalog number: 828000
- SKU: 533770
- Price: ***$1,257.09*** 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: 27.600 lb
- Returns: ***Not returnable*** (This item is made to order.)

- 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: 1225 hphr
  

  
- Backlash: 0.39 °
  

  
- Bore details: Straight
  

  
- Bore size: 1.938 in, Machined Bore with Keyway, 0.000-1.750 in with Optional Adapter Bushings
  

  
- Bore style: Machined Bore with Keyway, Nexen Adapter Bushing Required
  

  
- Brake air chamber volume when new: 1.724 in³
  

  
- Brake air chamber volume when worn out: 5.193 in³
  

  
- Brake facing edge color code: Red
  

  
- Brake facing effective area: 30.6 in²
  

  
- Brake facing type: Standard coefficient
  

  
- Brake heat sink capacity: 125000 ftlb
  

  
- Brake peak thermal input rate: 28.00 hp
  

  
- Brake response factor: 0.199
  

  
- Brake torque: 1600 inlb
  

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

  
- CE certified: CE
  

  
- Enclosure: Open
  

  
- Engagement method: Air
  

  
- Finish: Black oxide
  

  
- Inlet size: 0.250 NPT
  

  
- Length: 3.63 in
  

  
- Materials of construction: Black oxide
  

  
- Max allowable pressure (psi): 120
  

  
- Max ambient temperature (°F): 150
  

  
- Max bore size: 49.2252 mm
  

  
- Max brake continuous thermal dissipation: 2.23 hp
  

  
- Max operating pressure (psi): 80
  

  
- Max Speed: 1800 RPM
  

  
- Max static brake torque: 1600 inlb
  

  
- Min ambient temperature (°F): 32
  

  
- Min bore size: 25.4 mm
  

  
- Min engagement pressure (psi): 3
  

  
- Mounting style: Flange, Shaft
  

  
- Open or enclosed design: Open
  

  
- Outer Diameter: 9.00 in
  

  
- Output shaft style: None
  

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

  
- Release method: Spring
  

  
- RoHS compliant: RoHS
  

  
- RPM: 1800
  

  
- Shaft inertia: 114.48 lbin²
  

  
- Unit height: 5.5 in
  

  
- Unit width: 10 in
  
## Product documents / software:

- [Cutaway](https://documents.mrosupply.com/product_documents/82/828000/SBrakeCutaway.gif)
- [PDF Cad Drawing](https://documents.mrosupply.com/product_documents/82/828000/828000s.pdf)
- [Thermalgraph](https://documents.mrosupply.com/product_documents/82/828000/S800ThermalGraph.jpg)
- [Torquegraph](https://documents.mrosupply.com/product_documents/82/828000/S800StTorqueGraph.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.