# AMI UCAO307 Heavy Duty Pillow Block Bearing 35mm Bore Set Screw Locking Cast Iron Housing Wide Inner Ring 300 Series - MROSupply.com

***AMI UCAO307 heavy duty pillow block bearing unit with 35mm bore diameter and set screw locking mechanism. Cast iron housing with chrome steel insert and wide inner ring design. 300 series bearing for demanding applications.***



## Product details:

- Catalog number: UCAO307
- SKU: 8215
- Price: ***$130.78*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [AMI Bearings](https://www.mrosupply.com/brands/ami-bearings/)
- Category: 
    - [2-Bolt Pillow Block Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-ball-bearings/pillow-block-bearings/2-bolt-pillow-block-bearings/)
    - [Pillow Block Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-ball-bearings/pillow-block-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: 5.440 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: UC307
  

  
- Bolt Size: M14
  

  
- Covers: No
  

  
- Duty: Heavy
  

  
- Expansion: No
  

  
- High Temp: 212f
  

  
- Housing: Cast iron
  

  
- Housing Style: AO307
  

  
- HTS code: 8483.20.40.40
  

  
- I.D.: 35mm
  

  
- 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: Pillow block
  
## Product documents / software:

- [Drawing](https://documents.mrosupply.com/product_documents/UC/UCAO308/UCAO300dwg_fUiGU2K.jpg)

## Product's reviews:
- Excellent company - I love my new found Bearings Company. I love the price, lighting fast shipping and great customers service . Thank you.
- Great job - Had my bearings in stock and shipped right away.
- 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.
- 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.