# NTN ARFLU-1.3/4 4-Bolt Flange Bearing - 1-3/4 inch Bore, Eccentric Collar Lock, Cast Iron Housing - MROSupply.com

***NTN ARFLU-1.3/4 is a 4-bolt flange mounted bearing unit with a 1-3/4 inch bore, eccentric collar locking mechanism, and cast iron housing. Designed for industrial applications requiring reliable shaft support in conveyor, fan, and material handling systems.***



## Product details:

- Catalog number: ARFLU-1.3/4
- SKU: 276934
- Price: ***$116.27*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [NTN Bearing](https://www.mrosupply.com/brands/ntn-bearing/)
- Category: 
    - [2-Bolt Flange](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-ball-bearings/flanged-mounted-bearings/2-bolt-flange/)
    - [Flanged Mounted Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-ball-bearings/flanged-mounted-bearings/)
    - [Mounted Ball Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-ball-bearings/)
    - [Mounted Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/)
    - [Bearings](htts://www.mrosupply.com/bearings/)
- Unit of measure: each


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


## Product attributes;

  
- I.D.: 1.75 in
  

  
- O.D.: 3.3465 in
  

  
- Width: 1.6339 in
  

## Alternate products to `NTN ARFLU-1.3/4 4-Bolt Flange Bearing - 1-3/4 inch Bore, Eccentric Collar Lock, Cast Iron Housing - MROSupply.com`:
- [Dodge 125523 F2B-VSC-112 two-bolt flange mounted ball bearing with 1-3/4" bore. Intermediate duty set screw locking in cast iron housing. VSC series with DualGuard seals for 300 RPM applications.](https://www.mrosupply.com/products/126879/as-markdown/)
- [SKF FYT 1.3/4 RM 2-bolt cast-iron oval flange bearing unit for 1-3/4 inch shaft with set screw locking. The pre-lubricated insert bearing is housed in a durable cast-iron flange for reliable support in conveyor, fan, and general industrial applications.](https://www.mrosupply.com/products/326676/as-markdown/)






## FAQ:

- How do I choose the right type of bearing for my application?: Start with the load and how it’s applied. You need to know if you’re dealing with radial loads, axial loads, or a mix of both. Then look at speed, operating environment, and space constraints.
For example, ball bearings are great for high speed and lighter loads, while roller bearings handle heavier loads but usually at lower speeds. If there’s contamination, moisture, or heat involved, you may need sealed bearings or specific materials.
In most cases, the right choice comes down to matching load type, speed, and environment to the bearing design.