# Timken UC218 UC-Series Wide Inner Ring Mounted Ball Bearing Unit, 1-1/8 in Bore, Setscrew Locking, 6.299 in OD - MROSupply.com

***Timken UC218 UC-series wide inner ring mounted ball bearing unit with 1-1/8 inch cylindrical bore and setscrew locking. Bearing steel insert with 6.299 inch outside diameter, 3.780 inch inner ring width, and 1.496 inch outer ring width. Two M12×1.5 set screws at 120° for secure shaft attachment. Dynamic load rating 21,604 lbf, static load rating 16,074 lbf. Suitable for conveyors, fans, and agricultural equipment.***



## Product details:

- Catalog number: UC218
- SKU: 5100788
- Price: ***$347.09*** 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: 9.590 lb
- Returns: Yes


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


## Product attributes;

  
- Angle between set screws: 120 °
  

  
- Bearing Type: Ball Bearing
  

  
- Bore type: Cylindrical bore
  

  
- Center of bearing from end: 1.563 in
  

  
- Dimension: 2.217 in
  

  
- Dynamic load rating: 21604 lbf
  

  
- Groove position: 0.437 in
  

  
- Inside ring width: 3.780 in
  

  
- Item #: UC218
  

  
- Material: Bearing steel
  

  
- Number of set screws: 2
  

  
- Outside diameter: 6.299 in
  

  
- Outside ring width: 1.496 in
  

  
- Radius: 0.079 in
  

  
- Set screw distance: 0.591 in
  

  
- Set screw size: M12×1.5
  

  
- Static load rating: 16074 lbf
  


## 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.