# Nexen 964907 Spring Engaged Servomotor Brake - Zero Backlash, 24mm Input Bore, Clamp Collar, 45 Nm Holding Torque, IP67 - MROSupply.com

***Nexen 964907 spring engaged servomotor brake with zero backlash and 45 Nm static brake torque. Features a machined bore with clamp collar and no keyway, 24 mm input bore diameter, and 10000 RPM max speed. Enclosed design with black anodized finish, IP67 rating, and CE certification. Suitable for E-stop and holding applications. Not recommended for cyclic dynamic braking.***



## Product details:

- Catalog number: 964907
- SKU: 533061
- Price: ***$2,318.89*** 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: 15.000 lb
- Technicall support: contact supplier for technical support on 800 843 7445


## Product images:
- https://static.mrosupply.com/images/noimage.webp


## Product attributes;

  
- Air chamber volume: 35.710 cm³
  

  
- Anti rotation style: Flange
  

  
- Approximate engagement response time: 60 ms
  

  
- Approximate release response time: 100 ms
  

  
- Backlash: 0 ArcSec
  

  
- Backlash rating: Zero Backlash
  

  
- Body length: 132.5 mm
  

  
- 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
  

  
- Braking capability: E-Stop, Holding
  

  
- CE certified: CE
  

  
- Enclosure: Enclosed
  

  
- Engagement method: Spring
  

  
- Feedback sensors: No Sensors
  

  
- Finish: Black Anodized
  

  
- IEC IP rating: IP67
  

  
- Inlet size: 0.125 NPT
  

  
- Input bolt hole size: 12 mm
  

  
- Input bore diameter: 24 mm
  

  
- Input bore max shaft insertion: 58.1 mm
  

  
- Input frame size: N/A
  

  
- Input keyway: N/A
  

  
- Input pilot depth: 6.2 mm
  

  
- Input pilot diameter: 130 mm
  

  
- Materials of construction: Black Anodized
  

  
- Max allowable pressure (bar): 8.3
  

  
- Max ambient temperature (°F): 150
  

  
- Max output bolt circle diameter: 186 mm
  

  
- Max Speed: 10000 RPM
  

  
- Min ambient temperature (°F): 32
  

  
- Min input bolt circle diameter: 150 mm
  

  
- Min output bolt circle diameter: 165 mm
  

  
- Min release pressure (bar): 5.5
  

  
- Min static brake torque: 45 Nm
  

  
- Mounting style: Motor or Reducer
  

  
- Open or enclosed design: Enclosed
  

  
- Output bolt hole size: 12 mm
  

  
- Output frame size: N/A
  

  
- Output keyway: 8 mm
  

  
- Output pilot diameter: 130 mm
  

  
- Output pilot height: 2.4 mm
  

  
- Output shaft diameter: 24 mm
  

  
- Output shaft length: 50 mm
  

  
- Output shaft style: Shaft with Keyway
  

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

  
- Release method: Air
  

  
- Restrictions: Not Recommended For Cyclic Dynamic Braking
  

  
- RoHS compliant: RoHS
  

  
- RPM: 10000
  

  
- Safety rating: Standard
  

  
- Shaft inertia: 0.00117 kgm²
  

  
- Static b10/b10d cycle life: 1000000/2000000
  

  
- Torsional rigidity: 20600 Nm/Rad
  

  
- Unit height: 9 in
  

  
- Unit width: 150.4 mm
  

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

- [PDF Cad Drawing](https://documents.mrosupply.com/product_documents/96/964907/964907s.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


