# NTN AS203-011 Insert Bearing - 1-3/16 in Bore, Double Sealed, Through Hardened Steel - MROSupply.com

***NTN AS203-011 is a standard insert bearing with a 1-3/16 in bore, double sealed for contaminant protection. Constructed from through hardened steel, this ball bearing insert is designed for use in mounted bearing units such as pillow blocks and flanges.***



## Product details:

- Catalog number: AS203-011
- SKU: 276807
- Price: ***$25.34*** Each
- Quantity: This vendor has a minimum order quantity of
3.Order minimum ($) may be applied.
Add desired QTY to cart and proceed to checkout to view minimum'

- Brand Minimum Order Quantity - 3
(This is the minimum order quantity if ordering this unit alone
from the vendor. Adding other products from the same vendor will reduce
the overall requirement. If adding multiple products from same vendor,
please add all products to cart to see total minimum.)
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [NTN Bearing](https://www.mrosupply.com/brands/ntn-bearing/)
- Category: 
    - [Inserts & Cartridges](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-ball-bearings/inserts-cartridges/)
    - [Mounted Ball Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-ball-bearings/)
    - [Mounted Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/)
    - [Bearings](htts://www.mrosupply.com/bearings/)
- Unit of measure: each
- Weight: 0.181 lb


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


## Product attributes;

  
- Bearing Type: Insert bearing
  

  
- Enclosure: Double sealed
  

  
- Height: 1.575
  

  
- I.D.: 0.6875 in
  

  
- Length: 1.575
  

  
- Locking Device: Set Screw
  

  
- Material: Through hardened steel
  

  
- O.D.: 1.5748 in
  

  
- Width: 0.8661
  
## Product documents / software:

- [2D Sectional View PDF](https://documents.mrosupply.com/product_documents/AS/AS203-011/bearingfinder_2d_pdf_fixed_AS203-011_GAiv8lY.pdf)






## 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.