# AMI UCF208 Four-Bolt Flange Bearing Set Screw Locking Cast Iron Housing Wide Inner Ring Chrome Steel Insert - MROSupply.com

***AMI UCF208 four-bolt flange bearing unit with set screw locking mechanism. Cast iron housing with chrome steel insert, wide inner ring design for normal duty applications. Ideal for industrial machinery mounting.***



## Product details:

- Catalog number: UCF208
- SKU: 16421
- Price: ***$52.31*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [AMI Bearings](https://www.mrosupply.com/brands/ami-bearings/)
- 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: 4.180 lb
- Technicall support: contact supplier for technical support on 800 882 8642


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


## Product attributes;

  
- Application: General Purpose
  

  
- Bearing: UC208
  

  
- Bolt Size: M12
  

  
- Covers: No
  

  
- Duty: Standard
  

  
- Expansion: No
  

  
- High Temp: 212f
  

  
- Housing: Cast iron
  

  
- Housing Style: F208
  

  
- HTS code: 8483.20.40.40
  

  
- I.D.: 40mm
  

  
- Inner Ring Width: Wide
  

  
- Insert Material: Bearing steel
  

  
- Insert Type: Ball Bearing
  

  
- Locking: Set screw
  

  
- Lubrication Fitting Tap: 1/8-27 NPT
  

  
- Relubrication: Yes
  

  
- Seal: Contact Seal with Slinger
  

  
- Type: 4 Bolt Flange
  
## Product documents / software:

- [Drawing](https://documents.mrosupply.com/product_documents/UC/UCF207-20/UCF200dwg_Qw5pKmf.jpg)
## Alternate products to `AMI UCF208 Four-Bolt Flange Bearing Set Screw Locking Cast Iron Housing Wide Inner Ring Chrome Steel Insert - MROSupply.com`:
- [Dodge 125890 F4B-SC-40M four-bolt flange mounted ball bearing with 40mm bore, set screw locking, standard duty, non-expansion. Cast iron housing with DualGuard seals and flingers, powder coated finish. Bearing steel insert rated to 5000 rpm, suitable for general purpose applications. Relubrication-enabled.](https://www.mrosupply.com/products/128656/as-markdown/)
- [SealMaster SF-208 2-bolt flange bearing unit, 2" bore, set screw lock, felt labyrinth seal. Cast iron housing with 52100 bearing steel insert, black oxide coated. Pre-lubricated for general industrial applications.](https://www.mrosupply.com/products/2257468/as-markdown/)
- [Dodge 125671 F4B-SXR-40M four-bolt flange bearing with 40mm bore, eccentric collar locking, and standard duty cast iron housing. Features quarter-turn eccentric collar locking in rotation direction, DualGuard seal with flingers, and 208 series ball bearing insert. Non-expansion design for general purpose applications.](https://www.mrosupply.com/products/133413/as-markdown/)
- [NTN UCF208D1 is a 4-bolt cast-iron square flange mounted bearing unit with a 40 mm bore. Features a set screw locking mechanism and a pre-lubricated ball bearing insert. Designed for general industrial applications including conveyors, fans, and blowers.](https://www.mrosupply.com/products/270019/as-markdown/)
- [SealMaster SF-208C 710333 2-bolt flange bearing unit, 40 mm bore, set screw lock, contact seal. Cast iron housing with 52100 bearing steel insert, black oxide coated. Pre-lubricated for general industrial applications.](https://www.mrosupply.com/products/2257469/as-markdown/)

## Product's reviews:
- Ami bearings - I've been using AMI bearings for several years now and have had zero problems. There made in Japan, so seem remarkably high quality but half the price of NTN.
- Great job - Had my bearings in stock and shipped right away.
- Quality exactly as expected - Fair price for the product, quick lead time, good service.
- In stock ! - Twice now they have had the bearings in needed in stock, with prompt delivery!




## 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.