# NTN UCFLU-1.1/4S Ultra-Class 2-Bolt Rhombus Flanged Unit - 1-1/4 inch Bore, Set Screw Lock, Cast Iron Housing - MROSupply.com

***NTN UCFLU-1.1/4S is an Ultra-Class 2-bolt rhombus flanged unit with a 1-1/4 inch bore and set screw locking mechanism. The cast iron housing provides durability for industrial applications such as conveyors and fans.***



## Product details:

- Catalog number: UCFLU-1.1/4S
- SKU: 269802
- Price: ***$106.48*** 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
- Weight: 2.138 lb


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


## Product attributes;

  
- A (in): 1.3125
  

  
- A0: 1.6563 in
  

  
- A1: 0.6250 in
  

  
- A2: 0.7813 in
  

  
- B (in): 1.5000
  

  
- Bearing Number: A-UC206-104D1
  

  
- Bearing number: A-UC206-104D1
  

  
- Bearing Type: Ball Bearing
  

  
- d (in): 1 1/4
  

  
- Dynamic Load Rating: 4400 lbf
  

  
- Dynamic load rating: 4400 lbf
  

  
- End Type: Open
  

  
- End type: Open
  

  
- F (in): 0.1811
  

  
- Finish/Coating: Black oxide
  

  
- H (in): 5.5938
  

  
- Housing Construction: 1 Piece
  

  
- Housing construction: 1 Piece
  

  
- Housing Material: Cast Iron
  

  
- Housing material: Cast iron
  

  
- Housing Number: FLU206D1V50
  

  
- I.D.: 1.25 in
  

  
- J (in): 4.5938
  

  
- L (in): 3.2813
  

  
- Locking Device: Set Screw
  

  
- Locking device: Set screw
  

  
- Lubrication: Relubricatable
  

  
- Max Rotational Speed: 5900 RPM
  

  
- Max Tightening Torque: 43 lb·in
  

  
- N (in): 0.4531
  

  
- O.D.: 2.4409 in
  

  
- Operating Temperature Range: -40 to 250 °F
  

  
- Operating temperature range: -40 to 250 ºF
  

  
- Performance: Light Duty
  

  
- S: 0.6260 in
  

  
- Seal Material: Nitrile Rubber
  

  
- Seal material: Nitrile rubber
  

  
- Seal Type: Contact
  

  
- Seal type: Contact
  

  
- Static Load Rating: 2540 lbf
  

  
- Static load rating: 2540 lbf
  

  
- Type: 2-Bolt Rhombus Flanged Unit
  

  
- Width: 1.5 in
  
## Product documents / software:

- [Drawing](https://documents.mrosupply.com/product_documents/82/82/828235/Two-Bolt-Flanged-Unit--Set-Screw--UCFLU-Type_S_kU1Iart.png)
- [2D Sectional View PDF](https://documents.mrosupply.com/product_documents/UC/UCFLU-1.1/4S/bearingfinder_2d_pdf_fixed_UCFLU-1.12F4S_OFXmvQy.pdf)
## Alternate products to `NTN UCFLU-1.1/4S Ultra-Class 2-Bolt Rhombus Flanged Unit - 1-1/4 inch Bore, Set Screw Lock, Cast Iron Housing - MROSupply.com`:
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- [Link-Belt FX3S2E20E (mfg part 10430019) is a 2-bolt flange ball bearing with a 1-1/4" bore, set screw locking, and a cast iron housing. This intermediate-duty mounted ball bearing features a Buna single lip contact seal, nylon retainer, and C3 internal clearance. It is part of the Link-Belt 200 series ball bearing line, designed for general industrial applications such as conveyors and fans.](https://www.mrosupply.com/products/491734/as-markdown/)
- [Browning VF2S-220S 2-bolt flange mounted ball bearing with a 1.25-inch bore and set screw locking. The cast iron housing supports a relubricable 52100 bearing steel insert with a black oxide coated inner ring and a single lip contact seal with flinger. Suitable for conveyor, fan, and general industrial applications. Genuine Browning from Regal Rexnord.](https://www.mrosupply.com/products/2272004/as-markdown/)
- [SKF FYT 1.1/4 ATF 2-bolt cast-iron oval flange bearing unit for 1-1/4 inch shaft with set screw locking. Pre-lubricated insert bearing in a durable cast-iron housing. Suitable for conveyor, fan, and general industrial applications.](https://www.mrosupply.com/products/326953/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.