# Koyo JR20X25X30 Inner Race for Needle Roller Bearing - 20 mm Bore, 25 mm OD, 30 mm Width - MROSupply.com

***Koyo JR20X25X30 is a solid inner race for needle roller bearings with a 20 mm bore, 25 mm outside diameter, and 30 mm width. This machined ring provides a precision hardened raceway for drawn cup and machined ring needle roller bearings in industrial gearboxes and transmission systems.***



## Product details:

- Catalog number: JR20X25X30;PBL225
- SKU: 5908512
- Price: ***$19.60*** 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: 0.041 lb


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


## Product attributes;

  
- Finish: Polished Chrome
  

  
- Inside Diameter: 20 mm
  

  
- Material: Steel
  

  
- O.D.: 25 mm
  

  
- Overall Width: 30 mm
  

  
- Series: JR Metric Series
  

  
- Suitable For Use With: Drawn Cup Needle Roller Bearing
  


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




## 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.