# Nexen 964631 Spring Engaged Stage Brake - Motor or Reducer Mount, 0.250 in Bore, Clamp Collar, Zero Backlash - MROSupply.com

***Nexen 964631 spring engaged stage brake with 0.250 in machined bore and clamp collar, zero backlash, and IP67 enclosure. Rated for 10000 RPM, 20 inlb min static torque, and 2.97 in length. Features flange anti-rotation, 1.500 in input pilot diameter, and 0.125 NPT inlet. Suitable for e-stop and holding applications.***



## Product details:

- Catalog number: 964631
- SKU: 532989
- Price: ***$1,043.67*** 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: 1.500 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
  

  
- Approximate engagement response time: 8 ms
  

  
- Approximate release response time: 92 ms
  

  
- Backlash rating: Zero Backlash
  

  
- Bore details: Straight
  

  
- Bore size: 0.250 in, Machined Bore with Clamp Collar and no Keyway
  

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

  
- Braking capability: E-Stop, Holding
  

  
- CE certified: CE
  

  
- Coupling type: Clamp collar
  

  
- Enclosure: Enclosed
  

  
- Engagement method: Spring
  

  
- Feedback sensors: No Sensors
  

  
- Finish: Black Anodized
  

  
- IEC IP rating: IP67
  

  
- Inlet size: 0.125 NPT
  

  
- Input bolt circle diameter: 2.63 in
  

  
- Input pilot diameter: 1.500 in
  

  
- Length: 2.97 in
  

  
- Materials of construction: Black Anodized
  

  
- Max allowable pressure (bar): 8.3
  

  
- Max ambient temperature (°F): 150
  

  
- Max operating pressure (bar): 6.9
  

  
- Max Speed: 10000 RPM
  

  
- Min ambient temperature (°F): 32
  

  
- Min release pressure (bar): 5.5
  

  
- Min static brake torque: 20 inlb
  

  
- Mounting style: Motor or Reducer
  

  
- Open or enclosed design: Enclosed
  

  
- Output shaft style: None
  

  
- Product features: Spring Engaged, Zero Backlash, Flange Mount, Clamp Collar
  

  
- Release method: Air
  

  
- RoHS compliant: RoHS
  

  
- RPM: 10000
  

  
- Safety rating: Standard
  

  
- Unit height: 5.5 in
  

  
- Zero backlash: Show All, Zero Backlash
  
## Product documents / software:

- [PDF Cad Drawing](https://documents.mrosupply.com/product_documents/96/964631/964631s.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.
- None - all good
- Great service - Provide great pricing, accurate order processing, and timely delivery. I recommend MRO for your electronic needs.