# Nexen 964842 Spring Engaged Servomotor Brake - Zero Backlash, 28mm Bore, Clamp Collar, 10000 RPM, IP67 - MROSupply.com

***Nexen 964842 spring engaged servomotor brake with zero backlash and machined bore with clamp collar and no keyway. Enclosed design with black anodized finish, 28 mm input bore diameter, 10000 RPM max speed, and IP67 rating. Suitable for e-stop and holding applications, with min static brake torque of 22 Nm and torsional rigidity of 37000 Nm/Rad.***



## Product details:

- Catalog number: 964842
- SKU: 533042
- Price: ***$2,261.86*** 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: 9.000 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: 19.320 cm³
  

  
- Anti rotation style: Flange
  

  
- Approximate engagement response time: 50 ms
  

  
- Approximate release response time: 80 ms
  

  
- Backlash: 0 ArcSec
  

  
- Backlash rating: Zero Backlash
  

  
- Body length: 106.5 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 bore diameter: 28 mm
  

  
- Input frame size: N/A
  

  
- Input pilot depth: 7.0 mm
  

  
- Input pilot diameter: 110 mm
  

  
- Materials of construction: Black Anodized
  

  
- Max allowable pressure (bar): 8.3
  

  
- Max ambient temperature (°F): 150
  

  
- Max output bolt circle diameter: 150 mm
  

  
- Max Speed: 10000 RPM
  

  
- Min ambient temperature (°F): 32
  

  
- Min output bolt circle diameter: 130 mm
  

  
- Min release pressure (bar): 5.5
  

  
- Min static brake torque: 22 Nm
  

  
- Mounting style: Motor or Reducer
  

  
- Open or enclosed design: Enclosed
  

  
- Output frame size: N/A
  

  
- Output pilot diameter: 110 mm
  

  
- Output pilot height: 2.3 mm
  

  
- Output shaft diameter: 28 mm
  

  
- Output shaft length: 60 mm
  

  
- Output shaft style: Shaft without Keyway
  

  
- Overhung load capacity: 2334 N, At 10,000 RPM, 25 mm From Pilot Face, For A 10,000 Hr Bearing Life
  

  
- 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: 0.00031 kgm²
  

  
- Static b10/b10d cycle life: 1000000/2000000
  

  
- Torsional rigidity: 37000 Nm/Rad
  

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

- [PDF Cad Drawing](https://documents.mrosupply.com/product_documents/96/964842/964842s.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.