# NTN DC212TTRA Heavy Duty Disc Bearing - Cylindrical O.D., Double Sealed, Steel Cage, Through Hardened Steel - MROSupply.com

***NTN DC212TTRA is a heavy duty disc bearing with a cylindrical outer diameter, double sealed for contamination protection. It features a steel cage and through hardened steel construction for durability in agricultural and industrial disc applications.***



## Product details:

- Catalog number: DC212TTRA
- SKU: 825790
- Price: ***$122.75*** 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: 3.871 lb


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


## Product attributes;

  
- B (in): 1.6870
  

  
- Ball Material: Steel
  

  
- Ball material: Steel
  

  
- Bore Type: Round
  

  
- Bore type: Round
  

  
- C (in): 1.5059
  

  
- Cage Material: Steel
  

  
- Cage material: Steel
  

  
- Cage Type: Pressed
  

  
- Cage type: Pressed
  

  
- Configuration: One
  

  
- D (in): 4.3307
  

  
- d (in): 1.7700
  

  
- Dynamic Load Rating: 11800 lbf
  

  
- Dynamic load rating: 11800 lbf
  

  
- Enclosure: Double Sealed
  

  
- F (in): 0.2520
  

  
- I.D.: 44.958 mm
  

  
- Lubrication: Relubricated
  

  
- Material: Through hardened steel
  

  
- O.D.: 110 mm
  

  
- Operating Temperature Range: -40 to 250 °F
  

  
- Operating temperature range: -40 to 250 ºF
  

  
- Outside Ring Type: Cylindrical
  

  
- Precision: Class 0
  

  
- r (in): 1.5000
  

  
- Radial Internal Clearance: CN
  

  
- Radial internal clearance: CN
  

  
- Seal Material: Nitrile Rubber
  

  
- Seal material: Nitrile rubber
  

  
- Seal Type: Contact
  

  
- Seal type: Contact
  

  
- Shaft size: 1.7500 in
  

  
- Static Load Rating: 8100 lbf
  

  
- Static load rating: 8100 lbf
  

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

- [Drawing](https://documents.mrosupply.com/product_documents/82/57/825790/1197_S_UxFAUFB.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.