# Nexen 830856 Air Engaged Combination Clutch Brake - Flange Mount, 1.438 in Bore, 1100 inlb Torque, 1800 RPM - MROSupply.com

***Nexen 830856 air engaged combination clutch brake with flange mounting and 1.438 in straight machined bore with keyway. This open design unit delivers 1100 inlb static clutch and brake torque at 80 psi max operating pressure. Features double piston, elastomer coupling, black oxide finish, and 1800 RPM max speed. Suitable for driven shaft mounting with anti-rotation flange.***



## Product details:

- Catalog number: 830856
- SKU: 693163
- Price: ***$2,555.16*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Nexen](https://www.mrosupply.com/brands/nexen/)
- Category: 
    - [Pneumatic Clutches](htts://www.mrosupply.com/clutches-and-brakes/pneumatic-clutches-brakes/pneumatic-clutches/)
    - [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: 40.110 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
  

  
- Approximate brake facing life: 1225 hphr
  

  
- Approximate clutch facing life: 1225 hphr
  

  
- Bore details: Straight
  

  
- Bore size: 1.438 in, Machined Bore with Keyway
  

  
- Bore style: Machined Bore with Keyway
  

  
- Brake air chamber volume when new: 3.654 in³
  

  
- Brake air chamber volume when worn out: 5.786 in³
  

  
- Brake facing edge color code: Red
  

  
- Brake facing effective area: 30.6 in²
  

  
- Brake facing type: Standard coefficient
  

  
- Brake side engagement method: Air
  

  
- Brake torque: 1100 inlb
  

  
- CE certified: CE
  

  
- Clutch air chamber volume when new: 3.654 in³
  

  
- Clutch air chamber volume when worn out: 5.786 in³
  

  
- Clutch facing edge color code: Red
  

  
- Clutch facing effective area: 30.63 in²
  

  
- Clutch Facing Type: Standard coefficient
  

  
- Clutch side engagement method: Air
  

  
- Coupling size: 7.000 in
  

  
- Coupling type: Elastomer
  

  
- Drive inertia: 56.4 lbin²
  

  
- Finish: Black oxide
  

  
- Inlet size: 0.125 NPT
  

  
- Length: 6.72 in
  

  
- Materials of construction: Black oxide
  

  
- Max allowable pressure (psi): 120
  

  
- Max ambient temperature (°F): 150
  

  
- Max brake continuous thermal dissipation: 0.60 hp
  

  
- Max clutch continuous thermal dissipation: 0.60 hp
  

  
- Max operating pressure (psi): 80
  

  
- Max Speed: 1800 RPM
  

  
- Max static brake torque: 1100 inlb
  

  
- Max static clutch torque: 1100 inlb
  

  
- Min ambient temperature (°F): 32
  

  
- Min sprocket size: 40/38T, 50/31T, 60/26T, 80/21T
  

  
- Mounting style: Flange, Driven Shaft
  

  
- Open or enclosed design: Open
  

  
- Outer Diameter: 8.12 in
  

  
- Output bolt circle: 3.5 in
  

  
- Output bolt hole size: 4 0.250-20 in, Holes @ 90°
  

  
- Output shaft style: None
  

  
- Output type: Pilot
  

  
- Pilot size: 4.000 in
  

  
- Product features: Air Engaged Brake, Air Engaged Clutch, Driven Shaft Mount, Straight Bore, Double Piston
  

  
- Restrictions: Must Be Mounted On The Driven Shaft
  

  
- RoHS compliant: RoHS
  
## 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/69/31/693163/830856S_0v4L2Ff.pdf)
- [User Manual](https://documents.mrosupply.com/product_documents/22/16/2216017/21082_56hPVkx.pdf)
- [DXF CAD Drawing](https://documents.mrosupply.com/product_documents/69/31/693163/830856S_E61hun2.dxf)
- [STEP CAD File](https://documents.mrosupply.com/product_documents/69/31/693163/1619460_URTkO8M.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.
- Great service - Provide great pricing, accurate order processing, and timely delivery. I recommend MRO for your electronic needs.
- None - all good