# Nexen 835122 Air Engaged Multi-Caliper Tension Brake - Shaft Mount, 1.125 in Bore, 1800 RPM - MROSupply.com

***Nexen 835122 is an air engaged, multi-caliper tension brake with a shaft mount design. It features a 1.125 in machined bore with keyway, 7 in disc diameter, and 1800 RPM max speed. The open-style brake has a black oxide housing and bare cast aluminum calipers, suitable for continuous slip, e-stop, and holding applications.***



## Product details:

- Catalog number: 835122
- SKU: 535143
- Price: ***$1,108.75*** 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;

  
- Anti rotation style: Flange
  

  
- Approximate brake facing life: 1500 hphr, With All Calipers Used
  

  
- Bore details: Straight
  

  
- Bore size: 1.125 in, Machined Bore with Keyway, 0.750-1.000 in with Optional Adapter Bushings
  

  
- Bore style: Machined Bore with Keyway, Nexen Adapter Bushing Required
  

  
- Brake facing edge color code: Red
  

  
- Brake facing effective area: 13.3 in², With All Calipers Used
  

  
- Brake facing type: Standard Coefficient (Kevlar Low Dust)
  

  
- Brake peak thermal input rate: 48.00 hp, With All Calipers Used
  

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

  
- CE certified: CE
  

  
- Clutch air chamber volume when worn out: 0.630 in³, Per Caliper
  

  
- Direction of rotation: Bidirectional
  

  
- Disc diameter: 7 in
  

  
- Enclosure: Open
  

  
- Engagement method: Air
  

  
- Finish: Black oxide
  

  
- Inlet size: 0.125 NPT, Or 5/32 in Plastic Tubing Fitting Included
  

  
- Input keyway: 0.251W x 0.251H x 2.00L in
  

  
- Input shaft securement: 3, 0.312-18 Set Screws @ 120°
  

  
- Length: 5.32 in
  

  
- Materials of construction: Black Oxide Housing And Disc Bare Cast Aluminum Calipers
  

  
- Max ambient temperature (°F): 150
  

  
- Max bore size: 28.575 mm
  

  
- Max brake continuous thermal dissipation: 1.60 hp
  

  
- Max dynamic torque with all calipers: 420 inlb
  

  
- Max number of calipers: 3
  

  
- Max operating pressure (psi): 85
  

  
- Max Speed: 1800 RPM
  

  
- Min ambient temperature (°F): 32
  

  
- Min bore size: 19.05 mm
  

  
- Min engagement pressure (psi): 1
  

  
- Mounting style: Shaft
  

  
- Open or enclosed design: Open
  

  
- Outer Diameter: 9.25 in
  

  
- Output shaft style: None
  

  
- Product features: Air Engaged, Shaft Mount, Multi-Caliper, Air Cooled, Heavy Duty
  

  
- Release method: Spring
  

  
- RoHS compliant: RoHS
  

  
- RPM: 1800
  

  
- Shaft inertia: 32.98 lbin²
  

  
- Unit height: 5.5 in
  

  
- Unit width: 10 in
  
## Product documents / software:

- [PDF Cad Drawing](https://documents.mrosupply.com/product_documents/83/835122/835122s.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.
- 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