# Zero-Max ETP-ER3/4 ETP Express Hydraulic Keyless Bushing, 3/4" Bore, Stainless Steel - MROSupply.com

***Zero-Max ETP-ER3/4 ETP Express hydraulic keyless bushing with 3/4" bore. Stainless steel construction provides corrosion resistance for precision motion control applications. Securely connects shaft to hub without keys or set screws, using hydraulic pressure for easy installation and removal.***



## Product details:

- Catalog number: ETP-ER3/4
- SKU: 2785660
- Price: ***$419.07*** 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 Screw to Center (R): 17.4 mm
  

  
- Actuation Screws: M10
  

  
- Angle (V): 55
  

  
- Dimension (D2): 53.0 mm
  

  
- Flange Diameter (D1): 50.5 mm
  

  
- Flat to Center (r): 21.9 mm
  

  
- Hub Bore Tolerance Grade: H7
  

  
- Overall Length (L1): 42 mm
  

  
- Polar Moment of Inertia: 1.42 x 10 lb-ft
  

  
- Shaft Bore Diameter (d): 19.05 mm (0.750 in)
  

  
- Shaft Tolerance Grade: h8
  

  
- Sleeve Diameter (D): 23 mm
  

  
- Sleeve Length (L): 28 mm
  

  
- Tightening torque: 3.69 ft-lbs
  

  
- Transmittable FA: 1, 641 lbf
  

  
- Transmittable FR: 225 lbf
  

  
- Transmittable T: 63 ft-lbs
  
## Product documents / software:

- [Installation Instructions](https://documents.mrosupply.com/product_documents/27/85/2785710/ETP_Handling_instructions_OSUWFs2.pdf)

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