# AMI UCPX20-63 Pillow Block Bearing 3-15/16" (100.013mm) Bore Set Screw Locking Medium Duty Cast Iron Housing - MROSupply.com

***AMI UCPX20-63 pillow block bearing with 3-15/16" (100.013mm) bore diameter, set screw locking mechanism, medium duty cast iron housing, and chrome steel insert. Ideal for general industrial applications.***



## Product details:

- Catalog number: UCPX20-63
- SKU: 1515
- Price: ***$725.57*** 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: 74.600 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: UCX20-63
  

  
- Bolt Size: 1
  

  
- Covers: No
  

  
- Duty: Medium
  

  
- Expansion: No
  

  
- High Temp: 212f
  

  
- Housing: Cast iron
  

  
- Housing Style: PX20
  

  
- HTS code: 8483.20.40.40
  

  
- I.D.: 3 15/16 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: Pillow block
  
## Product documents / software:

- [drawing](https://documents.mrosupply.com/product_documents/UC/UCPX20-63/UCPX00dwg.jpg)
## Alternate products to `AMI UCPX20-63 Pillow Block Bearing 3-15/16" (100.013mm) Bore Set Screw Locking Medium Duty Cast Iron Housing - MROSupply.com`:
- [SealMaster MP-63 3-15/16" bore 2-bolt pillow block bearing unit from the Gold Line. Features a cast iron housing, 52100 bearing steel insert with black oxide coating, set screw lock, and felt labyrinth seal. Pre-lubricated for general industrial applications.](https://www.mrosupply.com/products/418497/as-markdown/)
- [NTN UCPX20-315D1 is a heavy-duty 2-bolt pillow block bearing unit with a 100 mm (3-15/16 in) bore, set screw locking mechanism, and cast iron housing. Designed for high-load industrial applications such as conveyors, fans, and blowers.](https://www.mrosupply.com/products/269407/as-markdown/)
- [Timken RSAO1 11/16 is a two-bolt pillow block housed unit with a ball bearing insert. This mounted bearing is designed for a 1-11/16 inch shaft and features a setscrew locking mechanism for secure shaft attachment. The cast iron housing provides durability for general industrial applications such as conveyors, fans, and light-duty machinery. This unit offers a reliable and cost-effective solution for supporting rotating shafts.](https://www.mrosupply.com/products/5079913/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
- In stock ! - Twice now they have had the bearings in needed in stock, with prompt delivery!
- 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.