# Rexnord 0789452 Wrapflex 20R PM Elastomeric Coupling Hub 1.875" Bore HSB - MROSupply.com

***Rexnord 0789452 Wrapflex 20R PM elastomeric coupling hub with 1.875" bore, HSB (high-strength bore) configuration, 1/2 x 1/4 keyway, and two setscrews. Designed for use with Wrapflex 20R coupling elements in industrial power transmission applications.***



## Product details:

- Catalog number: 0789452
- SKU: 478333
- Price: ***$60.51*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Rexnord](https://www.mrosupply.com/brands/rexnord/)
- Category: 
    - [Hubs](htts://www.mrosupply.com/shaft-couplings-and-collars/elastomeric-sleeve-couplings/components/hubs/)
    - [Components](htts://www.mrosupply.com/shaft-couplings-and-collars/elastomeric-sleeve-couplings/components/)
    - [Elastomeric Sleeve Couplings](htts://www.mrosupply.com/shaft-couplings-and-collars/elastomeric-sleeve-couplings/)
    - [Shaft Couplings and Collars](htts://www.mrosupply.com/shaft-couplings-and-collars/)
- Unit of measure: each
- Weight: 4.500 lb
- UPC: 782934152276
- Technicall support: contact supplier for technical support on 800-626-2120


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


## Product attributes;

  
- Coupling size: 20R
  

  
- Coupling Size: 20R
  

  
- Coupling style: Close coupled
  

  
- Coupling Style: Close Coupled
  

  
- Coupling type: Elastomeric
  

  
- Coupling Type: Elastomeric
  

  
- Height: 3.00
  

  
- Hub barrel outside diameter (in): 3.62 in
  

  
- Hub Barrel Outside Diameter (in): 3.62 in
  

  
- Hub bore fit: Clearance fit
  

  
- Hub Bore Fit: Clearance Fit
  

  
- Hub length (in): 2.362 in
  

  
- Hub Length (in): 2.362 in
  

  
- Hub length through bore (in): 1.77 in
  

  
- Hub Length through Bore (in): 1.77 in
  

  
- Hub material: Sintered Metal
  

  
- Hub Material: Sintered Metal
  

  
- Hub set screw axial location (in): 1 in
  

  
- Hub Set Screw Axial Location (in): 1 in
  

  
- Hub shoulder diameter (in): 4.016 in
  

  
- Hub Shoulder Diameter (in): 4.016 in
  

  
- Hub straight bore diameter [Nom] (in): 1.875 in
  

  
- Hub Straight Bore Diameter [Nom] (in): 1.875 in
  

  
- Hub style: Standard
  

  
- Hub Style: Standard
  

  
- Hub type: R-Hub
  

  
- Hub Type: R-Hub
  

  
- Keyway depth (in): 0.25 in
  

  
- Keyway Depth (in): 0.25 in
  

  
- Keyway fit: Commercial
  

  
- Keyway Fit: Commercial
  

  
- Keyway width (in): 0.5 in
  

  
- Keyway Width (in): 0.5 in
  

  
- Length: 4.00
  

  
- Net Weight: 2.14
  

  
- Number of keyways: 1
  

  
- Number of Keyways: 1
  

  
- Number of set screws: 2
  

  
- Number Of Set Screws: 2
  

  
- Unit of dimension: in
  

  
- Unit of Dimension: IN
  

  
- Volume: 0.208
  

  
- Volume unit: GLL
  

  
- Volume Unit: GLL
  

  
- Weight unit: LB
  

  
- Width: 4.00
  


## Product's reviews:
- Good orice - This stump grinder wheel bearing is expensive and I need two each time I change them.
Best price I found anywhere and free shipping here at MRO Supply
- Falk ltg - Fast convenient shopping. Highly recommend. Prompt shipping. 👍🏼
- A ok - Quick and correct. These days that is asking a lot.
- Good - On time good