# Nexen 802850 Air Engaged Shaft Mount Friction Clutch - Pilot Mount, 0.875 in Bore, 140 inlb Torque, 3600 RPM - MROSupply.com

***Nexen 802850 air engaged shaft mount friction clutch with pilot mount, 0.875 in machined bore with keyway and two setscrews, accepting optional adapter bushings for 0.500-0.750 in bores. Delivers 140 inlb max static torque at up to 3600 RPM. Black oxide finish, open enclosure, 0.125 NPT inlet, 2.500 in pilot size. CE and RoHS compliant for reliable pneumatic engagement.***



## Product details:

- Catalog number: 802850
- SKU: 533907
- Price: ***$637.17*** 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: 9.200 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 disc can stop output with optional caliper brake
  

  
- Approximate clutch facing life: 230 hphr
  

  
- Bore details: Straight With Keyway And 2 Setscrews
  

  
- Bore size: 0.875 in, Machined Bore with Keyway, 0.500-0.750 in with Optional Adapter Bushings
  

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

  
- CE certified: CE
  

  
- Clutch air chamber volume when new: 0.266 in³
  

  
- Clutch air chamber volume when worn out: 0.695 in³
  

  
- Clutch facing edge color code: Red
  

  
- Clutch facing effective area: 11.93 in²
  

  
- Clutch Facing Type: Standard coefficient
  

  
- Clutch heat sink capacity: 30000 ftlb
  

  
- Clutch peak thermal input rate: 10.70 hp
  

  
- Clutch response factor: 0.049
  

  
- Drive arrangement: Pilot mount
  

  
- Drive inertia: 4.79 lbin²
  

  
- Enclosure: Open
  

  
- Engagement method: Air
  

  
- Finish: Black oxide
  

  
- Inlet size: 0.125 NPT
  

  
- Input bore min shaft insertion: 2.00 in, From Pilot End Full From Air Chamber End
  

  
- Input keyway: 0.189 in
  

  
- Length: 4.75 in
  

  
- Materials of construction: Black oxide
  

  
- Max ambient temperature (°F): 150
  

  
- Max bore size: 22.225 mm
  

  
- Max clutch continuous thermal dissipation: 0.30 hp
  

  
- Max dynamic torque: 119 inlb
  

  
- Max operating pressure (psi): 80
  

  
- Max Speed: 3600 RPM
  

  
- Max static clutch torque: 140 inlb
  

  
- Min ambient temperature (°F): 32
  

  
- Min bore size: 12.7 mm
  

  
- Min engagement pressure (psi): 5
  

  
- Min sprocket size: 25/48T, 35/32T, 40/25T, 50/21T
  

  
- Mounting style: Shaft
  

  
- Open or enclosed design: Open
  

  
- Outer Diameter: 4.56 in
  

  
- Output bolt circle: 3 in
  

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

  
- Output shaft style: None
  

  
- Output type: Pilot
  

  
- Pilot size: 2.500 in
  

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

  
- Release method: Spring
  

  
- RoHS compliant: RoHS
  

  
- RPM: 3600
  

  
- Shaft inertia: 4.79 lbin²
  
## Product documents / software:

- [Cutaway](https://documents.mrosupply.com/product_documents/80/802850/AirChamp2ClutchCutAway.gif)
- [PDF Cad Drawing](https://documents.mrosupply.com/product_documents/80/802850/802850s.pdf)
- [Technical Data Sheet](https://documents.mrosupply.com/product_documents/92/927507/21181.pdf)
- [Thermalgraph](https://documents.mrosupply.com/product_documents/80/802850/FCDBThermalGraph.jpg)
- [Torquegraph](https://documents.mrosupply.com/product_documents/80/802850/FCDBStStTorqueGraph.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.
- None - all good
- Great service - Provide great pricing, accurate order processing, and timely delivery. I recommend MRO for your electronic needs.