# Thomas (Rexnord) 221838 425.AMR.HUB RB AMR Standard Disc Coupling Hub Size 425 Rough Bore, Torsionally Rigid, Maintenance-Free - MROSupply.com

***Thomas (Rexnord) 221838 425.AMR.HUB RB AMR standard disc coupling hub, size 425, rough bore. Torsionally rigid, all-metal hub requires no lubrication and accommodates angular, parallel, and axial misalignment. Designed for flexible disc coupling applications demanding high reliability and zero maintenance.***



## Product details:

- Catalog number: 221838
- SKU: 470535
- Price: ***$1,183.41*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Thomas](https://www.mrosupply.com/brands/thomas/)
- Category: 
    - [Hubs](htts://www.mrosupply.com/shaft-couplings-and-collars/disc-couplings/components/hubs/)
    - [Components](htts://www.mrosupply.com/shaft-couplings-and-collars/disc-couplings/components/)
    - [Disc Couplings](htts://www.mrosupply.com/shaft-couplings-and-collars/disc-couplings/)
    - [Shaft Couplings and Collars](htts://www.mrosupply.com/shaft-couplings-and-collars/)
- Unit of measure: each
- UPC: 698210678449
- Returns: Yes
- Technicall support: contact supplier for technical support on 866-739-6673


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


## Product attributes;

  
- Bore size max (in): 4.75 in
  

  
- Bore Size Max (in): 4.75 in
  

  
- Bore type: Rough bore
  

  
- Bore Type: Rough Bore
  

  
- Coupling model(s): AMR;CMR
  

  
- Coupling Model(s): AMR;CMR
  

  
- Coupling size: 425
  

  
- Coupling Size: 425
  

  
- Height: 11.00
  

  
- Hub barrel outside diameter (in): 7 in
  

  
- Hub Barrel Outside Diameter (in): 7 in
  

  
- Hub coating: None
  

  
- Hub flange outside diameter (in): 13.12 in
  

  
- Hub Flange Outside Diameter (in): 13.12 in
  

  
- Hub length (in): 4.25 in
  

  
- Hub Length (in): 4.25 in
  

  
- Hub style: Standard
  

  
- Hub Style: Standard
  

  
- Length: 11.50
  

  
- Net Weight: 49.60
  

  
- Unit of dimension: in
  

  
- Unit of Dimension: IN
  

  
- Volume: 0.228
  

  
- Volume unit: Hectoliter
  

  
- Volume Unit: Hectoliter
  

  
- Weight unit: LB
  

  
- Width: 11.00