# Nexen 807640 Air Engaged Shaft Mount Friction Clutch, 1.625 in Bore, 975 inlb Torque, 1800 RPM - MROSupply.com

***Nexen 807640 is an air engaged shaft mount friction clutch with a 1.625 in machined bore with keyway and two setscrews. It features a black oxide finish, open design, and a V-belt pulley output (2-B, 6.80 in PD sheave). Rated for 975 inlb static torque and 1800 RPM max speed, it includes a 0.125 NPT air inlet and spring release.***



## Product details:

- Catalog number: 807640
- SKU: 534019
- Price: ***$1,337.95*** 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: 44.050 lb
- Technicall support: contact supplier for technical support on 800 843 7445


## Product images:
- https://static.mrosupply.com/images/noimage.webp


## Product attributes;

  
- Approximate clutch facing life: 1225 hphr
  

  
- Backlash: 0.36
  

  
- Bore details: Straight With Keyway And 2 Setscrews
  

  
- Bore size: 1.625 in, Machined Bore with Keyway, 1.000-1.500 in with Optional Adapter Bushings
  

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

  
- CE certified: CE
  

  
- Clutch air chamber volume when new: 0.644 in³
  

  
- Clutch air chamber volume when worn out: 2.000 in³
  

  
- Clutch facing edge color code: Red
  

  
- Clutch facing effective area: 30.63 in²
  

  
- Clutch Facing Type: Standard coefficient
  

  
- Clutch heat sink capacity: 110000 ftlb
  

  
- Clutch peak thermal input rate: 27.60 hp
  

  
- Clutch response factor: 0.119
  

  
- Drive arrangement: "2-B, 6.80 in.
  

  
- Enclosure: Open
  

  
- Engagement method: Air
  

  
- Finish: Black oxide
  

  
- Inlet size: 0.125 NPT
  

  
- Input bore min shaft insertion: 3.75 in, From Pilot End Full From Air Chamber End
  

  
- Length: 7.31 in
  

  
- Materials of construction: Black oxide
  

  
- Max ambient temperature (°F): 150
  

  
- Max bore size: 41.275 mm
  

  
- Max clutch continuous thermal dissipation: 1.00 hp
  

  
- Max operating pressure (psi): 80
  

  
- Max Speed: 1800 RPM
  

  
- Max static clutch torque: 975 inlb
  

  
- Min ambient temperature (°F): 32
  

  
- Min bore size: 25.4 mm
  

  
- Min engagement pressure (psi): 5
  

  
- Mounting style: Shaft
  

  
- Open or enclosed design: Open
  

  
- Outer Diameter: 8.06 in
  

  
- Output shaft style: None
  

  
- Output type: V-Belt Pulley, 2-B, 6.80 in PD Sheave
  

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

  
- Release method: Spring
  

  
- RoHS compliant: RoHS
  

  
- RPM: 1800
  

  
- Shaft inertia: 63.28 lbin²
  
## Product documents / software:

- [Cutaway](https://documents.mrosupply.com/product_documents/80/807640/AirChamp2ClutchCutAway.gif)
- [PDF Cad Drawing](https://documents.mrosupply.com/product_documents/80/807640/807640s.pdf)
- [Technical Data Sheet](https://documents.mrosupply.com/product_documents/92/927507/21181.pdf)
- [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.