# AMI UCF218-56 Four-Bolt Flange Bearing 3-1/2" (88.9mm) Bore Set-Screw Lock Cast Iron Housing 200 Series - MROSupply.com

***AMI UCF218-56 four-bolt flange bearing unit with 3-1/2" bore, set-screw locking, and cast iron housing. Chrome steel insert, wide inner ring, normal duty rating. 200 series mounted bearing for industrial applications.***



## Product details:

- Catalog number: UCF218-56
- SKU: 1959
- Price: ***$419.60*** 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: 25.040 lb
- Technicall support: contact supplier for technical support on 800 882 8642


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


## Product attributes;

  
- Application: General Purpose
  

  
- Bearing: UC218-56
  

  
- Bolt Size: 7/8
  

  
- Covers: No
  

  
- Duty: Standard
  

  
- Expansion: No
  

  
- High Temp: 212f
  

  
- Housing: Cast iron
  

  
- Housing Style: F218
  

  
- HTS code: 8483.20.40.40
  

  
- I.D.: 3 1/2 in
  

  
- 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/UCF218-56/UCF200dwg.jpg)
## Alternate products to `AMI UCF218-56 Four-Bolt Flange Bearing 3-1/2" (88.9mm) Bore Set-Screw Lock Cast Iron Housing 200 Series - MROSupply.com`:
- [FYH UCF218 56 4-bolt flange mounted ball bearing unit with a 3-1/2" bore and set screw locking. The cast iron housing provides rigid support for the bearing insert. Manufactured to JIS standards for reliable industrial performance.](https://www.mrosupply.com/products/1863933/as-markdown/)
- [PTI UCF218-56 4-bolt square flange bearing, Silver Series, normal duty, 3-1/2" bore, set screw locking. Cast iron housing, non-expansion unit for industrial power transmission applications.](https://www.mrosupply.com/products/2206363/as-markdown/)
- [Peer UCF218-56](https://www.mrosupply.com/products/606481/as-markdown/)
- [Timken UCF218-56 UC-series four-bolt flange mounted ball bearing unit with 3-1/2 in bore, setscrew locking insert bearing UC218-56, and cast iron housing. Dynamic load rating 21,604 lbf, static load rating 16,074 lbf. Bolt hole spacing 7.359 in, M20 bolt size, 0.906 in bolt holes. Suitable for conveyors, fans, and agricultural equipment.](https://www.mrosupply.com/products/5100964/as-markdown/)

## Product's reviews:
- Barons for my sweeper truck - Great product well recommend to anybody
- Excellent company - I love my new found Bearings Company. I love the price, lighting fast shipping and great customers service . Thank you.
- In stock ! - Twice now they have had the bearings in needed in stock, with prompt delivery!
- Quality exactly as expected - Fair price for the product, quick lead time, good service.




## 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.