# NTN UELFU208-108D1 ULK 4-Bolt Flange Bearing - 1-1/2 in Bore, Eccentric Collar Lock, Cast Iron Housing - MROSupply.com

***NTN UELFU208-108D1 ULK 4-bolt flange bearing with 1-1/2 in bore, eccentric collar locking, and cast iron housing. Designed for heavy-duty industrial applications requiring secure shaft mounting and easy installation.***



## Product details:

- Catalog number: UELFU208-108D1
- SKU: 269100
- Price: ***$97.38*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [NTN Bearing](https://www.mrosupply.com/brands/ntn-bearing/)
- Category: 
    - [4-Bolt Flange](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-ball-bearings/flanged-mounted-bearings/4-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
- Weight: 4.900 lb


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


## Product attributes;

  
- A (in): 1.5312
  

  
- A0: 2.3125 in
  

  
- A1: 0.6562 in
  

  
- A2: 0.9375 in
  

  
- B1: 2.2165 in
  

  
- Bearing Number: UEL208-108D1
  

  
- Bearing number: UEL208-108D1
  

  
- Bearing Type: Ball Bearing
  

  
- d (in): 1.5000
  

  
- Dynamic Load Rating: 6550 lbf
  

  
- Dynamic load rating: 6550 lbf
  

  
- End Type: Open
  

  
- End type: Open
  

  
- F (in): 0.1772
  

  
- Housing Construction: 1 Piece
  

  
- Housing construction: 1 Piece
  

  
- Housing Material: Cast Iron
  

  
- Housing material: Cast iron
  

  
- Housing Number: FU208D1
  

  
- I.D.: 1.5 in
  

  
- J (in): 4.0
  

  
- L (in): 5.2
  

  
- Locking Device: Eccentric Locking Collar
  

  
- Locking device: Eccentric locking collar
  

  
- Lubrication: Relubricatable
  

  
- Max Rotational Speed: 3700 RPM
  

  
- N (in): 0.5469
  

  
- O.D.: 3.1496 in
  

  
- Operating Temperature Range: -40 to 250 °F
  

  
- Operating temperature range: -40 to 250 ºF
  

  
- Performance: Light Duty
  

  
- S: 0.8425 in
  

  
- Seal Material: Nitrile Rubber
  

  
- Seal material: Nitrile rubber
  

  
- Seal Type: Contact
  

  
- Seal type: Contact
  

  
- Static Load Rating: 4000 lbf
  

  
- Static load rating: 4000 lbf
  

  
- Type: 4-Bolt Square Flanged Unit
  

  
- Width: 2.2165 in
  
## Product documents / software:

- [Drawing](https://documents.mrosupply.com/product_documents/50/46/5046370/ousing--Eccentric-Locking-Collar--UELFU-Type_S_fNAQnK9.png)






## 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.