# NTN DS211TTR3 Heavy Duty Disc Bearing - Square Bore, Spherical O.D., Double Sealed, Steel Cage - MROSupply.com

***NTN DS211TTR3 heavy duty disc bearing with square bore and spherical outer diameter. Double sealed enclosures and steel cage. Through hardened steel construction for durability in demanding agricultural applications such as disc harrows.***



## Product details:

- Catalog number: DS211TTR3
- SKU: 275726
- Price: ***$134.08*** Each
- 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: 2.430 lb


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


## Product attributes;

  
- B (in): 1.3110
  

  
- B - Tolerance: 0/-0.0059 in
  

  
- Ball Material: Steel
  

  
- Ball material: Steel
  

  
- Bore Type: Square
  

  
- Bore type: Square
  

  
- C (in): 1.3110
  

  
- C - Tolerance: 0/-0.0059 in
  

  
- Cage Material: Steel
  

  
- Cage material: Steel
  

  
- Cage Type: Pressed
  

  
- Cage type: Pressed
  

  
- Configuration: One
  

  
- D (in): 3.9370
  

  
- d (in): 1.6220
  

  
- D - Tolerance: 0/-0.0006 in
  

  
- Dynamic Load Rating: 6550 lbf
  

  
- Dynamic load rating: 6550 lbf
  

  
- Enclosure: Double Sealed
  

  
- F (in): 0.2992
  

  
- H (in): 1.5311
  

  
- H - Tolerance: 0.0050/-0.0050 in
  

  
- I.D.: 38.89 mm
  

  
- Lubrication: Relubricated
  

  
- Material: Through hardened steel
  

  
- O.D.: 100 mm
  

  
- Operating Temperature Range: -40 to 250 °F
  

  
- Operating temperature range: -40 to 250 ºF
  

  
- Outside Ring Type: Spherical
  

  
- Precision: Class 0
  

  
- r (in): 0.0886
  

  
- Radial Internal Clearance: CN
  

  
- Radial internal clearance: CN
  

  
- s: 0.0984 in
  

  
- Seal Material: Nitrile Rubber
  

  
- Seal material: Nitrile rubber
  

  
- Seal Type: Contact
  

  
- Seal type: Contact
  

  
- Shaft size: 1.500 in
  

  
- Static Load Rating: 9800 lbf
  

  
- Static load rating: 9800 lbf
  

  
- Type: Heavy Duty Disc Bearing
  
## Product documents / software:

- [Drawing](https://documents.mrosupply.com/product_documents/27/57/275738/1224_S_9YGbiMS.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.