# Koyo NA6914A Double Row Needle Roller Bearing - 70 mm Bore, Solid Race, Machined Ring - MROSupply.com

***Koyo NA6914A double row needle roller bearing with a 70 mm bore, 100 mm OD, and 54 mm width. Machined ring design with a solid race for high radial load capacity in compact spaces. Suitable for machine tool spindles, gearboxes, and industrial machinery.***



## Product details:

- Catalog number: NA6914A
- SKU: 1497169
- Price: ***$298.17*** 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: 1.391 lb
- UPC: 60579018768


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


## Product attributes;

  
- Bearing Design: Removable Inner Ring Straight
  

  
- I.D.: 70 mm
  

  
- Inner Ring O.D.: 80 mm
  

  
- Limiting Speed - Oil: 5400 rpm
  

  
- No. of Rows: 2
  

  
- O.D.: 100 mm
  

  
- Oil Hole: w/Oil Hole
  

  
- Origin: Needle Radial
  

  
- Precision Ground: Yes
  

  
- Self Aligning: No
  

  
- Width: 54 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.