# Nexen 832907 Air Engaged Clutch / Spring Engaged Brake Combination Clutch Brake - Shaft Mount, 1.875 in Bore, 1800 RPM - MROSupply.com

***Nexen 832907 is a shaft mount combination clutch brake with an air engaged clutch and spring engaged fail-safe brake. It features a 1.875 in straight machined bore with keyway, black oxide finish, and open design. Rated for 1800 RPM, it delivers 3640 inlb static clutch torque and 3920 inlb static brake torque. Suitable for driven shaft mounting with optional adapter bushings for 1.375-1.750 in bores.***



## Product details:

- Catalog number: 832907
- SKU: 533858
- Price: ***$3,357.28*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 3 days
- 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: 76.000 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: Anti-Rotation Holes, Optional Torque Pin Bracket
  

  
- Approximate brake facing life: 613 hphr
  

  
- Approximate clutch facing life: 1533 hphr
  

  
- Bore details: Straight
  

  
- Bore size: 1.875 in, Machined Bore with Keyway, 1.375-1.750 in with Optional Adapter Bushings
  

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

  
- Brake air chamber volume when new: 1.013 in³
  

  
- Brake air chamber volume when worn out: 5.533 in³
  

  
- Brake facing edge color code: Purple
  

  
- Brake facing effective area: 30.6 in²
  

  
- Brake facing type: High Coefficient
  

  
- Brake heat sink capacity: 120000 ftlb
  

  
- Brake peak thermal input rate: 28.00 hp
  

  
- Brake response factor: 0.26
  

  
- Brake side engagement method: Spring
  

  
- Brake torque: 3920 inlb
  

  
- CE certified: CE
  

  
- Clutch air chamber volume when new: 1.268 in³
  

  
- Clutch air chamber volume when worn out: 5.269 in³
  

  
- Clutch facing edge color code: Purple
  

  
- Clutch facing effective area: 50.27 in²
  

  
- Clutch Facing Type: High Coefficient
  

  
- Clutch heat sink capacity: 125000 ftlb
  

  
- Clutch peak thermal input rate: 45.00 hp
  

  
- Clutch response factor: 0.23
  

  
- Clutch side engagement method: Air
  

  
- Coupling size: 8.000 in
  

  
- Coupling type: Elastomer
  

  
- Drive inertia: 232 lbin²
  

  
- Enclosure: Open
  

  
- Finish: Black oxide
  

  
- Inlet size: 0.125 NPT
  

  
- Length: 10.38 in
  

  
- Materials of construction: Black oxide
  

  
- Max allowable pressure (psi): 120
  

  
- Max ambient temperature (°F): 150
  

  
- Max bore size: 47.625 mm
  

  
- Max brake continuous thermal dissipation: 2.23 hp
  

  
- Max clutch continuous thermal dissipation: 1.25 hp
  

  
- Max operating pressure (psi): 80
  

  
- Max Speed: 1800 RPM
  

  
- Max static brake torque: 3920 inlb
  

  
- Max static clutch torque: 3640 inlb
  

  
- Min ambient temperature (°F): 32
  

  
- Min bore size: 34.925 mm
  

  
- Min engagement pressure (psi): 5
  

  
- Min sprocket size: 80/35T, 100/27T
  

  
- Mounting style: Driven Shaft
  

  
- Open or enclosed design: Open
  

  
- Outer Diameter: 10.00 in
  

  
- Output bolt circle: 5.625 in
  

  
- Output bolt hole size: 4 0.375-16 in, Holes @ 90°
  

  
- Output shaft style: None
  

  
- Output type: Pilot
  

  
- Pilot size: 4.875 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
  

  
- RPM: 1800
  

  
- Shaft inertia: 144 lbin²
  
## Product documents / software:

- [PDF Cad Drawing](https://documents.mrosupply.com/product_documents/83/832907/832907s.pdf)
- [Thermalgraph](https://documents.mrosupply.com/product_documents/83/832907/HWCBThermalGraph.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.