# Nexen 965320 Spring Engaged Fail-Safe Brake - Foot/Motor/Reducer Mount, 1.625 in Bore, 5000 RPM, Enclosed - MROSupply.com

***Nexen 965320 spring engaged, air released fail-safe brake with foot, motor, or reducer mounting. 1.625 in machined bore with keyway, enclosed design, rated for 5000 RPM with 1104 inlb static torque. Suitable for e-stop and holding applications. Black acrylic paint finish, CE and RoHS certified.***



## Product details:

- Catalog number: 965320
- SKU: 533093
- Price: ***$2,861.83*** 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: 52.930 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 Keyway
  

  
- Bore style: Machined Bore with Keyway
  

  
- Brake air chamber volume when new: 1.210 in³
  

  
- Brake air chamber volume when worn out: 0.086 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: 7.250 in
  

  
- Input bolt hole size: 0.531 in
  

  
- Input bore diameter: 1.625 in
  

  
- Input bore max shaft insertion: 4.11 in
  

  
- Input frame size: NEMA 254T/TC, 256T/TC
  

  
- Input keyway: 0.376 in
  

  
- Input pilot depth: 0.290 in
  

  
- Input pilot diameter: 8.501 in
  

  
- Input shaft securement: 1 Set Screw
  

  
- 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: 1104 inlb
  

  
- Mounting style: Foot, Motor or Reducer
  

  
- Open or enclosed design: Enclosed
  

  
- Output bolt circle: 7.25 in
  

  
- Output bolt hole size: 0.500-13 in, 4 @ 90°
  

  
- Output bore diameter: 1.625 in
  

  
- Output frame size: NEMA 254T/TC, 256T/TC
  

  
- Output keyway: 0.376 in
  

  
- Output pilot diameter: 8.500 in
  

  
- Output pilot height: 0.250 in
  

  
- Output shaft diameter: 1.625 in
  

  
- Output shaft length: 4.00 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: 15.04 lbin²
  

  
- Unit height: 12 in
  

  
- Unit width: 12 in
  
## Product documents / software:

- [PDF Cad Drawing](https://documents.mrosupply.com/product_documents/96/965320/965320s.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:
- 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.