# Zero-Max PSL-K-20-C Posi-Lok Mechanical Keyless Bushing, 20 mm Bore - MROSupply.com

***Zero-Max PSL-K-20-C Posi-Lok mechanical keyless shaft-locking bushing with 20 mm bore. Non-hydraulic design provides a secure, backlash-free connection between shaft and hub without keys or set screws. Suitable for precision motion control applications requiring easy installation and repositioning.***



## Product details:

- Catalog number: PSL-K-20-C
- SKU: 2785834
- Price: ***$73.73*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Zero-Max](https://www.mrosupply.com/brands/zero-max/)
- Category: 
    - [Ready Hubs](htts://www.mrosupply.com/bushings/bushing-hubs-and-adapters/ready-hubs/)
    - [Bushing Hubs and Adapters](htts://www.mrosupply.com/bushings/bushing-hubs-and-adapters/)
    - [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 (M1): M5 x 12
  

  
- Body Length (L1): 29 mm
  

  
- Bolt Circle (P): 34 mm
  

  
- Detachment Screw Hole (M2): 2-M5
  

  
- Hub Bore Tolerance Grade: H7
  

  
- Hub Contact Pressure (psi): 23, 206
  

  
- Lower Flange Diameter (D2): 41 mm
  

  
- Lower Flange Length (L4): 7 mm
  

  
- Overall Length (L2): 34 mm
  

  
- Polar Moment of Inertia: 92.5 x 10 lb-ft
  

  
- Screws No: 4
  

  
- Shaft Bore Diameter (d): 20 mm
  

  
- Shaft Contact Pressure (psi): 31, 908
  

  
- Shaft Tolerance Grade: h8
  

  
- Sleeve Diameter (D): 28 mm
  

  
- Sleeve Length (L): 14 mm
  

  
- Tightening torque: 71 in-lb
  

  
- Transmittable FA: 2, 855 lbf
  

  
- Transmittable T: 96 ft-lbs
  

  
- Upper Flange Diameter (D1): 44 mm
  

  
- Upper Flange Length (L3): 6 mm
  
## Product documents / software:

- [Installation Instructions](https://documents.mrosupply.com/product_documents/27/85/2785844/PSL-K-Installation-Instructions-Rev-2.01_AnX4Don.pdf)
- [Product Catalog](https://documents.mrosupply.com/product_documents/27/85/2785844/Zero-Max_Posi-Lok_Catalog_w8MzLC6.pdf)

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