# NTN UELFU-2.15/16 ULK 4-Bolt Square Flanged Unit - 2-15/16 in (74.6 mm) Bore, Eccentric Collar Lock, Cast Iron Housing - MROSupply.com

***NTN UELFU-2.15/16 ULK 4-bolt square flanged unit with eccentric collar lock and cast iron housing. Bore size 2-15/16 in (74.6 mm). Designed for heavy-duty industrial applications requiring secure shaft mounting and easy installation.***



## Product details:

- Catalog number: UELFU-2.15/16
- SKU: 269117
- Price: ***$388.53*** 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: 15.785 lb


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


## Product attributes;

  
- A (in): 2.5625
  

  
- A0: 3.7656 in
  

  
- A1: 0.8750 in
  

  
- A2: 1.6094 in
  

  
- B1: 3.6220 in
  

  
- Bearing Number: A-UEL215-215D1
  

  
- Bearing number: A-UEL215-215D1
  

  
- Bearing Type: Ball Bearing
  

  
- d (in): 2 15/16
  

  
- Dynamic Load Rating: 14800 lbf
  

  
- Dynamic load rating: 14800 lbf
  

  
- End Type: Open
  

  
- End type: Open
  

  
- F (in): 0.3543
  

  
- Finish/Coating: Black oxide
  

  
- Housing Construction: 1 Piece
  

  
- Housing construction: 1 Piece
  

  
- Housing Material: Cast Iron
  

  
- Housing material: Cast iron
  

  
- Housing Number: FU215D1V50
  

  
- I.D.: 2.9375 in
  

  
- J (in): 6.0000
  

  
- L (in): 7.8750
  

  
- Locking Device: Eccentric Locking Collar
  

  
- Locking device: Eccentric locking collar
  

  
- Lubrication: Relubricatable
  

  
- Max Rotational Speed: 2100 RPM
  

  
- Max Tightening Torque: 260 lb·in
  

  
- N (in): 0.7813
  

  
- O.D.: 5.1181 in
  

  
- Operating Temperature Range: -40 to 250 °F
  

  
- Operating temperature range: -40 to 250 ºF
  

  
- Performance: Light Duty
  

  
- S: 1.4685 in
  

  
- Seal Material: Nitrile Rubber
  

  
- Seal material: Nitrile rubber
  

  
- Seal Type: Contact
  

  
- Seal type: Contact
  

  
- Static Load Rating: 11100 lbf
  

  
- Static load rating: 11100 lbf
  

  
- Type: 4-Bolt Square Flanged Unit
  

  
- Width: 3.622 in
  
## Product documents / software:

- [Drawing](https://documents.mrosupply.com/product_documents/50/46/5046730/olt-Flanged-Unit--Eccentric-Lock--UELFU-Type_S_PMwZYKx.png)
- [2D Sectional View PDF](https://documents.mrosupply.com/product_documents/UE/UELFU-2.15/16/bearingfinder_2d_pdf_fixed_UELFU-2.152F16_koZpGb9.pdf)
## Alternate products to `NTN UELFU-2.15/16 ULK 4-Bolt Square Flanged Unit - 2-15/16 in (74.6 mm) Bore, Eccentric Collar Lock, Cast Iron Housing - MROSupply.com`:
- [Dodge 131137 F4B-SXR-215 four-bolt flange mounted ball bearing with 2-15/16" bore, eccentric collar locking, cast iron housing, and DualGuard seals with flingers. Standard duty 215 series non-expansion bearing for general industrial applications. Powder coated finish with nitrile rubber shaft seal. Maximum speed 3000 RPM. Relubrication capable.](https://www.mrosupply.com/products/133641/as-markdown/)
- [Rex AZT105307 ZT1000 series take-up bearing insert with 3-7/16" bore, double setscrew locking collar, and standard clearance seal. Cast iron housing includes two open auxiliary caps for added protection. Fixed take-up block designed for use in take-up frames requiring a spherical roller bearing insert.](https://www.mrosupply.com/products/2364672/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.