# Timken UC210-31 UC-Series Ball Bearing Pillow Block, 1-15/16 in Bore, Wide Inner Ring - MROSupply.com

***Timken UC210-31 UC-series mounted ball bearing unit with wide inner ring design. 1-15/16 inch bore, 3.543 inch outside diameter, 2.031 inch inner ring width. Dynamic load rating 7,891 lbf, static load rating 5,238 lbf. Cast iron housing with two setscrews at 120° for secure shaft locking. Suitable for conveyor idlers, fans, and agricultural equipment.***



## Product details:

- Catalog number: UC210-31
- SKU: 5100775
- Price: ***$65.08*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Timken](https://www.mrosupply.com/brands/timken/)
- Category: 
    - [Inserts & Cartridges](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-ball-bearings/inserts-cartridges/)
    - [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: 1.760 lb
- Returns: Yes


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


## Product attributes;

  
- 0.043 in Set screw distance: 9 mm
  

  
- 0.236 in Inside ring width: 2.031 in Item :UC210-31 Locking device:Set Screw Locking Number of set screws:2 Outside diameter:90 mm
  

  
- 0.354 in Set screw size: 3/8-24UNF Shaft size:1 15/16 in Static load rating:23300 N
  

  
- 0.748 in Dimension: 32.6 mm
  

  
- 0.945 in Radius: 1.1 mm
  

  
- 1.283 in Dynamic load rating: 35100 N
  

  
- 3.543 in Outside ring width: 24 mm
  

  
- 7891 lbf Groove position: 6 mm
  

  
- Angle between set screws: 120 °
  

  
- Bearing Type: Ball Bearing
  

  
- Bore: 1 15/16 in
  

  
- Bore type: Cylindrical bore
  

  
- Center of bearing from end: 0.748 in
  

  
- Dimension: 1.283 in
  

  
- Dynamic load rating: 7891 lbf
  

  
- Groove position: 0.236 in
  

  
- Inside ring width: 2.031 in
  

  
- Item #: UC210-31
  

  
- Material: Bearing steel
  

  
- Number of set screws: 2
  

  
- Outside diameter: 3.543 in
  

  
- Outside ring width: 0.945 in
  

  
- Radius: 0.043 in
  

  
- Set screw distance: 0.354 in
  

  
- Set screw size: 3/8-24UNF
  

  
- Static load rating: 5238 lbf
  
## Product documents / software:

- [UC setscrew wide inner ring ball bearings](https://documents.mrosupply.com/product_documents/51/00/5100775/uc210-31_4iOZGo0)

## Product's reviews:
- Best company to buy from - I always buy from MRO is a very reliable company to work with




## 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.