# Nexen 805900 Spring Engaged Brake - NEMA 56C C-Face, Foot/Motor/Shaft Mount, 0.625 in Bore, 1800 RPM, 100 inlb Torque - MROSupply.com

***Nexen 805900 spring engaged fail-safe holding and e-stop brake with 0.625 in machined bore with keyway. NEMA 56C input and output frame, enclosed black oxide construction, static torque rating of 100 inlb at 1800 RPM. Supports foot, motor, or shaft mounting and includes manual release for service convenience.***



## Product details:

- Catalog number: 805900
- SKU: 535030
- Price: ***$1,154.67*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 14 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: 15.200 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, Optional Torque Arm
  

  
- Approximate brake facing life: 140 hphr
  

  
- Approximate engagement response time: 30 ms
  

  
- Body length: 3.28 in
  

  
- Bore details: Straight
  

  
- Bore size: 0.625 in, Machined Bore with Keyway
  

  
- Bore style: Machined Bore with Keyway
  

  
- Brake air chamber volume when new: 78.400 in
  

  
- Brake air chamber volume when worn out: 16.200 in
  

  
- Brake facing edge color code: Red
  

  
- Brake facing effective area: 7.7 in
  

  
- Brake facing thickness when worn out: 0.170 in
  

  
- Brake facing type: Standard coefficient
  

  
- Brake peak thermal input rate: 7.00 hp
  

  
- Braking capability: E-Stop, Holding
  

  
- CE certified: CE
  

  
- Enclosure: Enclosed
  

  
- Engagement method: Spring
  

  
- Finish: Black oxide
  

  
- Inlet size: 0.125 NPT
  

  
- Input bolt circle diameter: 5.875 in
  

  
- Input bolt hole size: 0.406 in
  

  
- Input frame size: NEMA 56C
  

  
- Input pilot depth: 0.188 in
  

  
- Input pilot diameter: 4.500 in
  

  
- Manual release feature: Yes
  

  
- Materials of construction: Black oxide
  

  
- Max allowable pressure (psi): 120
  

  
- Max ambient temperature (F): 150
  

  
- Max brake continuous thermal dissipation: 0.10 hp
  

  
- Max Speed: 1800 RPM
  

  
- Min ambient temperature (F): 32
  

  
- Min release pressure (bar): 2.758 bar
  

  
- Min release pressure (psi): 40
  

  
- Min static brake torque: 100 inlb
  

  
- Mounting style: Foot, Motor or Reducer, Shaft
  

  
- Open or enclosed design: Open
  

  
- Outer Diameter: 6.50 in
  

  
- Output bolt circle: 5.875 in
  

  
- Output bolt hole size: 0.375-16 in
  

  
- Output bore diameter: N/A
  

  
- Output frame size: NEMA 56C
  

  
- Output pilot diameter: 4.500 in
  

  
- Output pilot height: 0.156 in
  

  
- Output shaft diameter: N/A
  

  
- Output shaft style: None
  

  
- Overhung load capacity: Optional See Output Unit In Accessories
  

  
- Pilot size: 4.50 in
  

  
- Product features: Spring Engaged, NEMA C-Face, Flange/Foot/Shaft Mount, Through Bore, Manual Release
  

  
- Release method: Air
  

  
- RoHS compliant: RoHS
  

  
- RPM: 1800
  

  
- Shaft inertia: 1.32 lbft
  

  
- Unit height: 7 in
  

  
- Unit width: 7 in
  
## Product documents / software:

- [PDF Cad Drawing](https://documents.mrosupply.com/product_documents/80/805900/805900s.pdf)
- [User Manual](https://documents.mrosupply.com/product_documents/88/887021/21180.pdf)

## Product's reviews:
- Great service - Provide great pricing, accurate order processing, and timely delivery. I recommend MRO for your electronic needs.
- 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.