# Nexen 856800 Air Engaged Friction Clutch - Pilot Mount, 0.375 in Bore, 18 in-lb Torque, 3600 RPM - MROSupply.com

***Nexen 856800 Air Engaged Friction Clutch with pilot mount and 0.375 in machined bore with keyway. This open-design clutch delivers 18 in-lb static torque at 3600 RPM max speed. Features black oxide finish, 1.375 in pilot size, 0.125 NPT inlet, and spring release. Suitable for light-duty indexing and positioning applications.***



## Product details:

- Catalog number: 856800
- SKU: 533871
- Price: ***$432.33*** 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: 1.380 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: Optional brake adapter fixes output with anti-rotation slot
  

  
- Approximate clutch facing life: 22 hphr
  

  
- Bore details: Straight With Keyway And 1 Setscrew
  

  
- Bore size: 0.375 in, Machined Bore with Keyway
  

  
- Bore style: Machined Bore with Keyway
  

  
- CE certified: CE
  

  
- Clutch air chamber volume when new: 0.050 in³
  

  
- Clutch air chamber volume when worn out: 0.104 in³
  

  
- Clutch facing edge color code: Red
  

  
- Clutch facing effective area: 1.39 in²
  

  
- Clutch Facing Type: Standard coefficient
  

  
- Clutch heat sink capacity: 1900 ftlb
  

  
- Clutch peak thermal input rate: 1.30 hp
  

  
- Clutch response factor: 0.009
  

  
- Drive arrangement: Pilot mount
  

  
- Drive inertia: 0.05 lbin²
  

  
- Enclosure: Open
  

  
- Engagement method: Air
  

  
- Finish: Black oxide
  

  
- Inlet size: 0.125 NPT
  

  
- Input bore min shaft insertion: 1.00 in, From Pilot End Full From Air Chamber End
  

  
- Length: 2.27 in
  

  
- Materials of construction: Black oxide
  

  
- Max ambient temperature (°F): 150
  

  
- Max clutch continuous thermal dissipation: 0.06 hp
  

  
- Max operating pressure (psi): 80
  

  
- Max Speed: 3600 RPM
  

  
- Max static clutch torque: 18 inlb
  

  
- Min ambient temperature (°F): 32
  

  
- Min engagement pressure (psi): 5
  

  
- Mounting style: Shaft
  

  
- Open or enclosed design: Open
  

  
- Outer Diameter: 1.75 in
  

  
- Output bolt circle: 1.562 in
  

  
- Output bolt hole size: 4 #6-32 in, Holes @ 90°
  

  
- Output shaft style: None
  

  
- Output type: Pilot
  

  
- Pilot size: 1.375 in
  

  
- Product features: Air Engaged, Keyed, Straight Bore, Shaft Mount, Pilot Output
  

  
- Release method: Spring
  

  
- RoHS compliant: RoHS
  

  
- RPM: 3600
  

  
- Shaft inertia: 0.2 lbin²
  
## Product documents / software:

- [PDF Cad Drawing](https://documents.mrosupply.com/product_documents/85/856800/856800s.pdf)
- [Technical Data Sheet](https://documents.mrosupply.com/product_documents/92/927507/21181.pdf)
- [Thermalgraph](https://documents.mrosupply.com/product_documents/85/856800/MicroThermalGraph.jpg)
- [User Manual](https://documents.mrosupply.com/product_documents/88/887021/21180.pdf)

## 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