# NTN UEL309-111D1 Insert Bearing - 1-11/16 in (42.9 mm) Bore, Eccentric Collar Lock, Double Sealed, Through Hardened Steel - MROSupply.com

***NTN UEL309-111D1 is a mounted insert bearing with a 1-11/16 in (42.9 mm) bore, featuring an eccentric collar locking mechanism. This double-sealed, through hardened steel insert is designed for general industrial applications requiring reliable shaft mounting and easy installation.***



## Product details:

- Catalog number: UEL309-111D1
- SKU: 269210
- Price: ***$158.02*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [NTN Bearing](https://www.mrosupply.com/brands/ntn-bearing/)
- Category: 
    - [Inserts & Cartridges](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-ball-bearings/inserts-cartridges/)
    - [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
- Weight: 3.433 lb
- UPC: 4547359507539


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


## Product attributes;

  
- Bearing Type: Insert bearing
  

  
- Enclosure: Double sealed
  

  
- Height: 3.937
  

  
- I.D.: 1.6875 in
  

  
- Length: 3.937
  

  
- Locking Device: Eccentric Collar
  

  
- Material: Through hardened steel
  

  
- O.D.: 3.937 in
  

  
- Width: 2.311
  
## Product documents / software:

- [2D Sectional View PDF](https://documents.mrosupply.com/product_documents/UE/UEL309-111D1/bearingfinder_2d_pdf_fixed_UEL309-111D1_A8iorN8.pdf)






## 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.
