# Zero-Max ETP-1-1/4 ETP Classic Short Hydraulic Keyless Bushing, 1-1/4" Bore - MROSupply.com

***Zero-Max ETP-1-1/4 ETP Classic Short hydraulic keyless bushing with 1-1/4" bore. Provides zero-backlash, keyless shaft-to-hub connection for precision motion control applications. Hydraulic actuation ensures high torque transmission and easy installation without keys or set screws.***



## Product details:

- Catalog number: ETP-1-1/4
- SKU: 2785557
- Price: ***$196.00*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Zero-Max](https://www.mrosupply.com/brands/zero-max/)
- Category: 
    - [Screw Locking](htts://www.mrosupply.com/bushings/keyless-bushings/screw-locking/)
    - [Keyless Bushings](htts://www.mrosupply.com/bushings/keyless-bushings/)
    - [Bushings](htts://www.mrosupply.com/bushings/)
- Unit of measure: each
- Returns: Yes
- Technicall support: contact supplier for technical support on 800-533-1731


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


## Product attributes;

  
- Actuation Screws: M5
  

  
- Body Length (L1): 50 mm
  

  
- Bolt Circle (D2): 50.5 mm
  

  
- Flange Diameter (D1): 60 mm
  

  
- Hub Bore Tolerance Grade: H7
  

  
- Overall Length (L2): 55 mm
  

  
- Polar Moment of Inertia: 4.27 x 10 lb-ft
  

  
- Screws No: 4
  

  
- Shaft Bore Diameter (d): 31.75 mm (1.250 in)
  

  
- Shaft Tolerance Grade: k6-h8
  

  
- Sleeve Diameter (D): 43 mm
  

  
- Sleeve Length (L): 34 mm
  

  
- Tightening torque: 5.9 ft-lbs
  

  
- Transmittable FA: 5, 867 lbf
  

  
- Transmittable FR: 3, 664 lbf
  

  
- Transmittable T: 302 ft-lbs
  
## Product documents / software:

- [Installation Instructions](https://documents.mrosupply.com/product_documents/27/85/2785554/ETP-CLASSIC_Handling_instructions_7RWgFqL.pdf)

## Product's reviews:
- Zero max coupling - GOOD JOB
- Zero max coupling - EXCELENT JOB
- Zero max coupling - EXCELENT JOB
- Happy - I have Not Installed yet
This Looks Good and Everyone is Thrilled