# Koyo IR-324028 Inner Race for Needle Roller Bearing - 50.800 mm Bore, Solid Race with Oil Hole - MROSupply.com

***Koyo IR-324028 is a solid race inner ring for needle roller bearings with a 50.800 mm bore, 2.5 inch outside diameter, and 1.75 inch width. Features an oil hole for lubrication. Designed for use with drawn cup or machined ring needle roller bearings in industrial applications.***



## Product details:

- Catalog number: IR-324028
- SKU: 1496683
- Price: ***$41.04*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Koyo Bearing](https://www.mrosupply.com/brands/koyo-bearing/)
- Category: 
    - [Inner Race](htts://www.mrosupply.com/bearings/roller-bearings/needle-roller-bearings/inner-race/)
    - [Needle Roller Bearings](htts://www.mrosupply.com/bearings/roller-bearings/needle-roller-bearings/)
    - [Roller Bearings](htts://www.mrosupply.com/bearings/roller-bearings/)
    - [Bearings](htts://www.mrosupply.com/bearings/)
- Unit of measure: each
- Weight: 0.850 lb
- UPC: 60579020837


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


## Product attributes;

  
- Bearing Design: Removable Inner Ring Straight
  

  
- I.D.: 2 in
  

  
- O.D.: 2 1/2 in
  

  
- Oil Hole: w/Oil Hole
  

  
- Precision Ground: Yes
  

  
- Width: 1 3/4 in
  


## Product's reviews:
- Koyo roller bearing inner ring - Good product.
- Admin assistance - good product!
- Great service - great items at great price




## 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.