# Nexen 828020 Air Engaged Shaft Mount Brake, 1.875 in Bore, 1600 inlb Torque, 1800 RPM - MROSupply.com

***Nexen 828020 air engaged shaft mount brake with 1.875 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 optional torque pin bracket anti-rotation. 9.00 in OD, 3.63 in length, 0.250 NPT inlet, 80 psi max operating pressure.***



## Product details:

- Catalog number: 828020
- SKU: 533773
- Price: ***$1,870.55*** 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: 28.000 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: 1225 hphr
  

  
- Backlash: 0.39 °
  

  
- Bore details: Straight
  

  
- Bore size: 1.875 in, Machined Bore with Keyway
  

  
- Bore style: Machined Bore with Keyway
  

  
- 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 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 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 engagement pressure (psi): 3
  

  
- Mounting style: Flange, Shaft
  

  
- Open or enclosed design: Open
  

  
- Outer Diameter: 9.00 in
  

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

  
- Release method: Spring
  

  
- RoHS compliant: RoHS
  

  
- RPM: 1800
  

  
- Shaft inertia: 114.48 lbin²
  
## Product documents / software:

- [Cutaway](https://documents.mrosupply.com/product_documents/82/828020/SBrakeCutaway.gif)
- [Thermalgraph](https://documents.mrosupply.com/product_documents/82/828020/S800ThermalGraph.jpg)
- [Torquegraph](https://documents.mrosupply.com/product_documents/82/828020/S800StTorqueGraph.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.