# Nexen 964914 Spring Engaged Brake - Foot/Motor/Reducer Mount, NEMA 56C, 0.625 in Bore, Clamp Collar - MROSupply.com

***Nexen 964914 spring engaged brake with foot, motor, or reducer mounting. Features NEMA 56C input and output frame, 0.625 in straight bore with clamp collar and no keyway. Enclosed design with black acrylic paint finish. Rated for 5000 RPM, 398 inlb min static torque, and 80 psi min release pressure. Suitable for e-stop and holding applications.***



## Product details:

- Catalog number: 964914
- SKU: 533070
- Price: ***$1,739.45*** 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: 25.750 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: 55 hphr
  

  
- Approximate engagement response time: 30 ms
  

  
- Bore details: Straight Bore/Shaft
  

  
- Bore size: Machined Bore with Clamp Collar and no Keyway
  

  
- Bore style: Machined Bore with Clamp Collar and no Keyway
  

  
- Brake air chamber volume when new: 0.437 in³
  

  
- Brake air chamber volume when worn out: 0.025 in³
  

  
- Brake facing effective area: 11.2 in²
  

  
- Brake heat sink capacity: 69630 ftlb
  

  
- Brake peak thermal input rate: 10.00 hp
  

  
- Braking capability: E-Stop, Holding
  

  
- CE certified: CE
  

  
- Enclosure: Enclosed
  

  
- Engagement method: Spring
  

  
- Finish: Black Acrylic Paint
  

  
- Inlet size: 0.125 NPT
  

  
- Input bolt circle diameter: 5.875 in
  

  
- Input bolt hole size: 0.406 in
  

  
- Input bore diameter: 0.625 in
  

  
- Input bore max shaft insertion: 2.14 in
  

  
- Input frame size: NEMA 56C
  

  
- Input keyway: N/A
  

  
- Input pilot depth: 0.160 in
  

  
- Input pilot diameter: 4.500 in
  

  
- Input shaft securement: Clamp collar
  

  
- Materials of construction: Black Acrylic Paint
  

  
- Max allowable pressure (psi): 120
  

  
- Max ambient temperature (°F): 150
  

  
- Max brake continuous thermal dissipation: 0.30 hp
  

  
- Max Speed: 5000 RPM
  

  
- Min ambient temperature (°F): 32
  

  
- Min release pressure (bar): 5.516 bar
  

  
- Min release pressure (psi): 80
  

  
- Min static brake torque: 398 inlb
  

  
- Mounting style: Foot, Motor or Reducer
  

  
- Open or enclosed design: Enclosed
  

  
- Output bolt circle: 5.875 in
  

  
- Output bolt hole size: 0.375-16 in, 4 @ 90°
  

  
- Output bore diameter: 0.625 in
  

  
- Output frame size: NEMA 56C
  

  
- Output keyway: 0.189 in
  

  
- Output pilot diameter: 4.500 in
  

  
- Output pilot height: 0.120 in
  

  
- Output shaft diameter: 0.625 in
  

  
- Output shaft length: 2.06 in
  

  
- Output shaft style: Shaft with Keyway
  

  
- Overhung load capacity: N/A, Ask Nexen
  

  
- Product features: Spring Engaged, NEMA C-Face Mount
  

  
- Release method: Air
  

  
- RoHS compliant: RoHS
  

  
- RPM: 5000
  

  
- Shaft inertia: 3.66 lbin²
  

  
- Unit height: 9 in
  

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

- [PDF Cad Drawing](https://documents.mrosupply.com/product_documents/96/964914/964914s.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 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