# AMI UCCJO309 Four-Bolt Flange Bearing Unit 45mm Bore Set Screw Locking Cast Iron Housing Heavy Duty 300 Series - MROSupply.com

***AMI UCCJO309 45mm bore four-bolt flange bearing unit with set screw locking. Heavy duty cast iron housing, chrome steel insert, wide inner ring. 300 series mounting unit for industrial applications requiring robust flange mounting.***



## Product details:

- Catalog number: UCCJO309
- SKU: 9530
- Price: ***$119.49*** 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: 7.320 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: UC309
  

  
- Bolt Size: M14
  

  
- Covers: No
  

  
- Duty: Heavy
  

  
- Expansion: No
  

  
- High Temp: 212f
  

  
- Housing: Cast iron
  

  
- Housing Style: CJO309
  

  
- HTS code: 8483.20.40.40
  

  
- I.D.: 45mm
  

  
- 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/UCCJO315/UCCJO300dwg_UKo41BJ.jpg)

## Product's reviews:
- Great job - Had my bearings in stock and shipped right away.
- 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.
- 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.
