# NTN AL208-109D1 Bearing Insert - 1-9/16 inch Bore, Double Sealed, Set Screw Lock, Spherical OD - MROSupply.com

***NTN AL208-109D1 is a bearing insert with a spherical outer diameter, designed for mounted housing units. It features a 1-9/16 inch bore, double sealed enclosure, and set screw locking. The through hardened steel construction provides durability for industrial conveyor and machinery applications.***



## Product details:

- Catalog number: AL208-109D1
- SKU: 277002
- Price: ***$64.33*** Each
- Quantity: This vendor has a minimum order quantity of
2.Order minimum ($) may be applied.
Add desired QTY to cart and proceed to checkout to view minimum'

- Brand Minimum Order Quantity - 2
(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: 1.340 lb


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


## Product attributes;

  
- Axial Static Load Rating: 4002 lbf
  

  
- Axial static load rating: 4002 lbf
  

  
- B (in): 1.1890
  

  
- B1: 1.7205 in
  

  
- Ball Material: Through Hardened Steel
  

  
- Ball material: Through hardened steel
  

  
- Basic Outer Ring: 208
  

  
- Bearing Type: Ball Bearing
  

  
- Bore Type: Cylindrical
  

  
- Bore type: Cylindrical
  

  
- C (in): 1.1890
  

  
- Configuration: One
  

  
- D (in): 3.1500
  

  
- d (in): 1-9/16
  

  
- Dynamic Load Rating: 6542 lbf
  

  
- Dynamic load rating: 6542 lbf
  

  
- Enclosure: Full Contact Seal - Both Sides
  

  
- Height: 3.15
  

  
- Housing Width: 0 in
  

  
- Housing width: 0 in
  

  
- I.D.: 1.5626 in
  

  
- Length: 3.15
  

  
- Limiting Speed - Grease: 3700 RPM
  

  
- Limiting speed - grease: 3700 RPM
  

  
- Locking device: None
  

  
- Lubrication: Relubricatable
  

  
- Material: Through hardened steel
  

  
- Number of Holes: 0
  

  
- Number of holes: 0
  

  
- O.D.: 3.1496 in
  

  
- Operating Temperature Range: -40 to 250 °F
  

  
- Operating temperature range: -40 to 250 ºF
  

  
- Outside Ring Type: Spherical OD
  

  
- Performance: Standard Duty
  

  
- r (in): 0.0591
  

  
- Radial Dynamic Load Rating: 6542 lbf
  

  
- Radial Internal Clearance: CN
  

  
- Radial internal clearance: CN
  

  
- S: 0.4331 in
  

  
- Seal Material: Nitrile Rubber
  

  
- Seal material: Nitrile rubber
  

  
- Seal Type: Contact
  

  
- Seal type: Contact
  

  
- Static Load Rating: 4002 lbf
  

  
- Static load rating: 4002 lbf
  

  
- Total Length: 0.0000 in
  

  
- Total length: 0.0000 in
  

  
- Type: Insert Bearing
  
## Product documents / software:

- [Drawing](https://documents.mrosupply.com/product_documents/50/46/5046090/1584_S_9qfLO8w.png)
- [Drawing](https://documents.mrosupply.com/product_documents/NP/NPS100RR/1584_S_dHYwblJ.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.