# Nexen 928900 Air Engaged Combination Clutch Brake - Foot/Motor Mount, NEMA 56C, 0.625 in Bore, 415 inlb Clutch Torque, 540 inlb Brake Torque, 1800 RPM - MROSupply.com

***Nexen 928900 air engaged combination clutch brake with modular foot or motor mount design, NEMA 56C input and output frames, and 0.625 in machined bore with keyway. Delivers 415 inlb clutch torque and 540 inlb brake torque at up to 1800 RPM and 80 psi max operating pressure. Open enclosure with black oxide finish, 7.25 in length, 6.50 in outer diameter, and 0.125 NPT air inlet. CE and RoHS compliant.***



## Product details:

- Catalog number: 928900
- SKU: 534865
- Price: ***$1,548.19*** 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: 26.840 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, Optional Feet
  

  
- Approximate brake facing life: 394 hphr
  

  
- Approximate clutch facing life: 394 hphr
  

  
- Body length: 5.18 in
  

  
- Bore details: Straight Bore/Shaft
  

  
- Bore size: Machined Bore with Keyway
  

  
- Bore style: Machined Bore with Keyway
  

  
- Brake air chamber volume when new: 0.550 in³
  

  
- Brake air chamber volume when worn out: 1.392 in³
  

  
- Brake facing edge color code: Red
  

  
- Brake facing effective area: 12.8 in²
  

  
- Brake facing type: Standard coefficient
  

  
- Brake heat sink capacity: 45000 ftlb
  

  
- Brake response factor: 0.096
  

  
- Brake side engagement method: Air
  

  
- Brake torque: 540 inlb
  

  
- CE certified: CE
  

  
- Clutch air chamber volume when new: 0.245 in³
  

  
- Clutch air chamber volume when worn out: 0.835 in³
  

  
- Clutch facing edge color code: Red
  

  
- Clutch facing effective area: 12.84 in²
  

  
- Clutch Facing Type: Standard coefficient
  

  
- Clutch heat sink capacity: 45000 ftlb
  

  
- Clutch response factor: 0.075
  

  
- Clutch side engagement method: Air
  

  
- Combined continuous thermal dissipation: 0.40 hp
  

  
- Drive inertia: 7.81 lbin²
  

  
- Enclosure: Open
  

  
- Finish: Black oxide
  

  
- Inlet size: 0.125 NPT
  

  
- Input bolt circle diameter: 5.875 in
  

  
- Input bolt hole size: 0.40 in, 4 @ 90°
  

  
- Input bore diameter: 0.625 in
  

  
- Input bore max shaft insertion: 1.75 in
  

  
- Input frame size: NEMA 56C
  

  
- Input keyway: 0.189W x 0.189H x 1.75L in
  

  
- Input pilot depth: 0.22 in
  

  
- Input pilot diameter: 4.50 in
  

  
- Input shaft securement: N/A
  

  
- Length: 7.25 in
  

  
- Materials of construction: Black oxide
  

  
- Max allowable pressure (psi): 120
  

  
- Max ambient temperature (°F): 150
  

  
- Max operating pressure (psi): 80
  

  
- Max Speed: 1800 RPM
  

  
- Max static brake torque: 540 inlb
  

  
- Max static clutch torque: 415 inlb
  

  
- Min ambient temperature (°F): 32
  

  
- Min engagement pressure (psi): 5
  

  
- Mounting style: Foot, Motor or Reducer
  

  
- Open or enclosed design: Open
  

  
- Outer Diameter: 6.50 in
  

  
- Output bolt circle: 5.875 in, 4 @ 90°
  

  
- Output bolt hole size: 0.40 in
  

  
- Output bore diameter: 0.625 in
  

  
- Output frame size: NEMA 56C
  

  
- Output keyway: 0.189W x 0.189H x 1.50L in
  

  
- Output pilot diameter: 4.50 in
  

  
- Output pilot height: 0.16 in
  

  
- Output shaft diameter: 0.625 in
  

  
- Output shaft length: 1.91 in
  

  
- Output shaft style: Shaft with Keyway
  

  
- Overhung load capacity: 281 lbs, At 1800 RPM/321 lbs At 1200 RPM, 1 in From Pilot Face, For 10,000 Hrs Bearing Life
  

  
- Product features: Air Engaged Brake, Air Engaged Clutch, Flange Mount, Foot Mount Capable, Enclosed Housing, Modular
  

  
- RoHS compliant: RoHS
  

  
- RPM: 1800
  

  
- Shaft inertia: 9.06 lbin²
  
## Product documents / software:

- [Cutaway](https://documents.mrosupply.com/product_documents/92/928900/MDBClutchBrakeCutaway.gif)
- [PDF Cad Drawing](https://documents.mrosupply.com/product_documents/92/928900/928900s.pdf)
- [Torquegraph](https://documents.mrosupply.com/product_documents/92/928900/MDB625%26875StStTorqueGraph.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.
- 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