# Nexen 835684 Air Engaged Modular Multi-Caliper Tension Brake - Shaft Mount, 1.750 in Bore - MROSupply.com

***Nexen 835684 is an air engaged modular multi-caliper tension brake with a shaft mount design and 1.750 in machined bore with keyway. It features an 18 in disc diameter, 1900 RPM max speed, and blue powder paint finish. This open-style brake supports up to 9 calipers (sold separately) for continuous slip, e-stop, and holding applications.***



## Product details:

- Catalog number: 835684
- SKU: 533449
- Price: ***$2,925.00*** 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: 123.000 lb
- Technicall support: contact supplier for technical support on 800 843 7445


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


## Product attributes;

  
- Actuation type: Multiple Calipers, Up to 9 Calipers, Sold Separately
  

  
- Anti rotation style: Standoff Studs
  

  
- Body length: 7.00 in
  

  
- Bore details: Straight
  

  
- Bore size: 1.750 in, Machined Bore with Keyway
  

  
- Bore style: Machined Bore with Keyway
  

  
- Braking capability: Continuous Slip, E-Stop, Holding
  

  
- CE certified: CE
  

  
- Direction of rotation: Clockwise
  

  
- Disc diameter: 18 in
  

  
- Disc thickness: 2.06 in
  

  
- Enclosure: Open
  

  
- Engagement method: Air
  

  
- Finish: Blue Powder Paint
  

  
- Length: 11.49 in, With Guard 9.00 Without
  

  
- Materials of construction: Blue Powder Paint
  

  
- Max ambient temperature (°F): 150
  

  
- Max brake continuous thermal dissipation: 41.10 hp
  

  
- Max dynamic torque low coefficient: 7947 inlb
  

  
- Max dynamic torque standard coefficient: 14265 inlb
  

  
- Max number of calipers: 9
  

  
- Max operating pressure (psi): 85
  

  
- Max Speed: 1900 RPM
  

  
- Max torque with 1 low coefficient caliper (psi): 883 inlb, @ 80
  

  
- Max torque with 1 standard coefficient caliper (psi): 1363 inlb, @ 80
  

  
- Max torque with 1 ultra-low coefficient caliper (psi): 883 inlb, @ 80
  

  
- Min ambient temperature (°F): 32
  

  
- Min engagement pressure (psi): 1
  

  
- Min torque with 1 low coefficient caliper (psi): 11 inlb, @ 1
  

  
- Min torque with 1 standard coefficient caliper (psi): 17 inlb, @ 1
  

  
- Min torque with 1 ultra-low coefficient caliper (psi): 11 inlb, @ 1
  

  
- Mounting style: Shaft
  

  
- Open or enclosed design: Open
  

  
- Outer Diameter: 25.88 in, With Guard 24.50 Without
  

  
- Product features: Air Engaged, Shaft Mount, Multi-Caliper, Cross Drilled, Air Cooled, Heavy Duty, Rotor-Hub Only
  

  
- Release method: N/A
  

  
- Restrictions: Disc Counter Rotation Reduces Thermal Performance By 10% For 0 - 500 RPM And 25% Above 500 RPM
  

  
- RoHS compliant: RoHS
  

  
- RPM: 1900
  

  
- Shaft inertia: 18.79 lbft²
  
## Product documents / software:

- [Catalog Pages](https://documents.mrosupply.com/product_documents/83/835684/XTB18.pdf)
- [PDF Cad Drawing](https://documents.mrosupply.com/product_documents/83/835684/835684s.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