# Nexen 964305 Spring Engaged Flange Mount Brake, 4 in Bore, 1500 RPM, 19100 inlb Torque - MROSupply.com

***Nexen 964305 spring engaged flange mount brake with 4.000 in machined bore with keyway, 19100 inlb static torque at 1500 RPM, black oxide finish. Open design, 0.500 NPT air inlet, 70 psi minimum release pressure. CE and RoHS compliant. Not designed for vertical mounting.***



## Product details:

- Catalog number: 964305
- SKU: 534187
- Price: ***$13,680.33*** 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: 318.000 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 brake facing life: 10625 hphr
  

  
- Bore details: Straight With Setscrew And Keyway
  

  
- Bore size: 4.000 in, Machined Bore with Keyway
  

  
- Bore style: Machined Bore with Keyway
  

  
- Brake air chamber volume when new: 47.300 in³
  

  
- Brake air chamber volume when worn out: 9.800 in³
  

  
- Brake facing edge color code: Red
  

  
- Brake facing effective area: 227.0 in²
  

  
- Brake facing type: Standard coefficient
  

  
- Brake heat sink capacity: 870000 ftlb
  

  
- Brake peak thermal input rate: 204.00 hp
  

  
- Brake torque: 19100 inlb
  

  
- Braking capability: Cyclic Dynamic, E-Stop, Holding
  

  
- CE certified: CE
  

  
- Enclosure: Open
  

  
- Engagement method: Spring
  

  
- Finish: Black oxide
  

  
- Inlet size: 0.500 NPT
  

  
- Length: 7.85 in
  

  
- Materials of construction: Black oxide
  

  
- Max allowable pressure (psi): 120
  

  
- Max ambient temperature (°F): 150
  

  
- Max brake continuous thermal dissipation: 8.30 hp
  

  
- Max Speed: 1500 RPM
  

  
- Max static brake torque: 19100 inlb
  

  
- Min ambient temperature (°F): 32
  

  
- Min release pressure (bar): 4.8265 bar
  

  
- Min release pressure (psi): 70
  

  
- Mounting style: Flange
  

  
- Open or enclosed design: Open
  

  
- Outer Diameter: 21.25 in
  

  
- Output shaft style: None
  

  
- Product features: Spring Engaged, Shaft Mount, Straight Bore
  

  
- Release method: Air
  

  
- Restrictions: Not Designed For Vertical Mounting, Consult Nexen For Use In Cyclic Applications
  

  
- RoHS compliant: RoHS
  

  
- RPM: 1500
  

  
- Shaft inertia: 13.9 lbft²
  

  
- Unit height: 16 in
  

  
- Unit width: 25.25 in
  
## Product documents / software:

- [PDF Cad Drawing](https://documents.mrosupply.com/product_documents/96/964305/964305s.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