# Koyo NA4824 Needle Roller Bearing - 120 mm Bore, Machined Ring, Open Type, Solid Race - MROSupply.com

***Koyo NA4824 is a machined ring needle roller bearing with a 120 mm bore, 150 mm OD, and 30 mm width. It features an open-type solid race design without inner ring, suitable for compact radial load applications in gearboxes and industrial machinery.***



## Product details:

- Catalog number: NA4824
- SKU: 1497112
- Price: ***$451.69*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Koyo Bearing](https://www.mrosupply.com/brands/koyo-bearing/)
- Category: 
    - [Full Complement Needle Roller Bearings](htts://www.mrosupply.com/bearings/roller-bearings/needle-roller-bearings/full-complement-needle-roller-bearings/)
    - [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: 1.151 lb
- UPC: 60579019214


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


## Product attributes;

  
- Bearing Design: Removable Inner Ring Straight
  

  
- I.D.: 120 mm
  

  
- Inner Ring O.D.: 130 mm
  

  
- Limiting Speed - Oil: 3200 rpm
  

  
- O.D.: 150 mm
  

  
- Oil Hole: w/Oil Hole
  

  
- Origin: Needle Radial
  

  
- Precision Ground: Yes
  

  
- Self Aligning: No
  

  
- Width: 30 mm
  


## 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.