# NTN NA6910R Machined Ring Needle Roller Bearing - 50 mm Bore, Open, Steel Cage - MROSupply.com

***NTN NA6910R is a machined ring needle roller bearing with a 50 mm bore. This open bearing features a steel cage and is constructed from high carbon chrome steel. It is designed for applications requiring high radial load capacity in a compact cross-section, such as gearboxes, pumps, and industrial machinery.***



## Product details:

- Catalog number: NA6910R
- SKU: 272720
- Price: ***$182.20*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [NTN Bearing](https://www.mrosupply.com/brands/ntn-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: 1.132 lb
- UPC: 4547359114164


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


## Product attributes;

  
- Bearing Type: Needle roller bearing
  

  
- Cage: Steel
  

  
- Enclosure: Open
  

  
- Height: 2.835
  

  
- I.D.: 50 mm
  

  
- Length: 2.835
  

  
- Material: High carbon chrome steel
  

  
- O.D.: 72 mm
  

  
- Width: 1.5748
  
## Product documents / software:

- [Drawing](https://documents.mrosupply.com/product_documents/21/70/2170089/1319_S_nYmyQGi.png)
- [Drawing 1319_S](https://documents.mrosupply.com/product_documents/50/47/5047593/1319_S.png)






## 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.