# AMI UCFS312-39 Piloted Four-Bolt Flange Bearing 2-7/16" (61.913mm) Bore Heavy Duty Set Screw Locking Cast Iron Housing 300 Series - MROSupply.com

***AMI UCFS312-39 heavy duty piloted four-bolt flange bearing with 2-7/16" bore diameter and set screw locking mechanism. Cast iron housing with chrome steel insert provides reliable mounting for industrial applications requiring precision alignment.***



## Product details:

- Catalog number: UCFS312-39
- SKU: 3094
- Price: ***$268.58*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [AMI Bearings](https://www.mrosupply.com/brands/ami-bearings/)
- Category: 
    - [Piloted Flange](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-ball-bearings/flanged-mounted-bearings/piloted-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: 15.800 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
  

  
- Covers: No
  

  
- Duty: Heavy
  

  
- Expansion: No
  

  
- High Temp: 212f
  

  
- Housing: Cast iron
  

  
- HTS code: 8483.20.40.40
  

  
- I.D.: 2 7/16 in
  

  
- Insert Material: Bearing steel
  

  
- Insert Type: Ball Bearing
  

  
- Locking: Set screw
  

  
- Relubrication: Yes
  

  
- Seal: Contact Seal with Slinger
  

  
- Type: Piloted flange
  

## Alternate products to `AMI UCFS312-39 Piloted Four-Bolt Flange Bearing 2-7/16" (61.913mm) Bore Heavy Duty Set Screw Locking Cast Iron Housing 300 Series - MROSupply.com`:
- [FYH UCFS312 38 piloted square flange mounted ball bearing unit with a 2-3/8" bore and set screw locking. The heavy-duty cast iron housing provides rigid support for demanding industrial applications.](https://www.mrosupply.com/products/1864613/as-markdown/)

## Product's reviews:
- Quality exactly as expected - Fair price for the product, quick lead time, good service.
- Barons for my sweeper truck - Great product well recommend to anybody
- 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.
- Excellent company - I love my new found Bearings Company. I love the price, lighting fast shipping and great customers service . Thank you.




## 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.