# Nexen 928501 Air Engaged Brake - Foot/Motor Mount, NEMA 56C, 0.625 in Bore, 324 inlb Brake Torque, 1800 RPM - MROSupply.com

***Nexen 928501 is an air engaged brake with foot or motor/reducer mounting. It features a NEMA 56C input and output frame, a machined straight bore with keyway, and a black oxide finish. The brake delivers 324 inlb of static torque at 1800 RPM and is CE and RoHS certified. This open design unit is suitable for cyclic dynamic, e-stop, and holding applications.***



## Product details:

- Catalog number: 928501
- SKU: 534862
- Price: ***$848.48*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 3 days
- Brand: [Nexen](https://www.mrosupply.com/brands/nexen/)
- Category: 
    - [Pneumatic Brakes](htts://www.mrosupply.com/clutches-and-brakes/pneumatic-clutches-brakes/pneumatic-brakes/)
    - [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: 16.000 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: Flange, Optional Feet
  

  
- Approximate brake facing life: 788 hphr
  

  
- Approximate clutch facing life: 788 hphr
  

  
- 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: Green
  

  
- Brake facing effective area: 12.8 in²
  

  
- Brake facing type: Low Coefficient
  

  
- Brake heat sink capacity: 45000 ftlb
  

  
- Brake peak thermal input rate: 12.00 hp
  

  
- Brake response factor: 0.096
  

  
- Brake torque: 324 inlb
  

  
- Braking capability: Cyclic Dynamic, E-Stop, Holding
  

  
- CE certified: CE
  

  
- Clutch facing edge color code: Green
  

  
- Clutch facing effective area: 30.6 in²
  

  
- Clutch Facing Type: Low Coefficient
  

  
- Enclosure: Open
  

  
- Engagement method: Air
  

  
- Finish: Black oxide
  

  
- Inlet size: 0.125 NPT
  

  
- Input bolt circle diameter: 5.875 in
  

  
- Input bolt hole size: 0.422 in
  

  
- Input bore diameter: 0.625 in
  

  
- Input frame size: NEMA 56C
  

  
- Input pilot depth: 0.34 in
  

  
- Input pilot diameter: 5.627 in
  

  
- Input shaft diameter: 0.625 in
  

  
- Materials of construction: Black oxide
  

  
- Max allowable pressure (psi): 120
  

  
- Max ambient temperature (°F): 150
  

  
- Max brake continuous thermal dissipation: 0.23 hp
  

  
- Max operating pressure (psi): 80
  

  
- Max Speed: 1800 RPM
  

  
- Max static brake torque: 324 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
  

  
- Output bolt circle: 5.875 in
  

  
- Output bolt hole size: 0.375-16 in
  

  
- Output bore diameter: 0.625 in
  

  
- Output frame size: NEMA 56C
  

  
- Output pilot diameter: 4.500 in
  

  
- Output pilot height: 0.160 in
  

  
- Output shaft diameter: 0.625 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, NEMA C-Face Mount, Modular
  

  
- Release method: Spring
  

  
- RoHS compliant: RoHS
  

  
- RPM: 1800
  

  
- Shaft inertia: 9.06 lbin²
  

  
- Unit height: 7 in
  

  
- Unit width: 7 in
  
## Product documents / software:

- [PDF Cad Drawing](https://documents.mrosupply.com/product_documents/92/928501/928501s.pdf)
- [Thermalgraph](https://documents.mrosupply.com/product_documents/92/928501/MBU625%26875ThermalGraph.jpg)
- [Torquegraph](https://documents.mrosupply.com/product_documents/92/928501/MBU625%26875LoTorqueGraph.jpg)
- [User Manual](https://documents.mrosupply.com/product_documents/88/887021/21180.pdf)

## Product's reviews:
- 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.
- Great service - Provide great pricing, accurate order processing, and timely delivery. I recommend MRO for your electronic needs.