# NTN UELS211-203D1NR Bearing Insert - 2-3/16 in (55.6 mm) Bore, Eccentric Collar Lock, Wide Inner Ring, Double Sealed, With Snap Ring - MROSupply.com

***NTN UELS211-203D1NR is a bearing insert with eccentric locking collar and wide inner ring. It features a 2-3/16 in (55.6 mm) bore, double sealed enclosure, and a snap ring for axial retention. The cylindrical outer diameter allows mounting in standard housings. Constructed from through hardened steel, this insert is suitable for industrial applications requiring secure shaft locking and moderate misalignment accommodation.***



## Product details:

- Catalog number: UELS211-203D1NR
- SKU: 268948
- Price: ***$126.20*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [NTN Bearing](https://www.mrosupply.com/brands/ntn-bearing/)
- Category: 
    - [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: 3.111 lb


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


## Product attributes;

  
- a (in): 0.1732
  

  
- B (in): 2.1850
  

  
- B1: 2.8110 in
  

  
- B5: 0.8150 in
  

  
- Ball Material: Steel
  

  
- Ball material: Steel
  

  
- Basic Outer Ring: 211
  

  
- Bearing Type: Ball Bearing
  

  
- Bore Type: Round
  

  
- Bore type: Round
  

  
- C (in): 0.9843
  

  
- Collar Number: EL211
  

  
- D (in): 3.9370
  

  
- d (in): 2.1875
  

  
- D1: 3.8110 in
  

  
- D2: 4.1929 in
  

  
- d3: 2.9921 in
  

  
- DS: 3/8-24 UNF
  

  
- Dynamic Load Rating: 9800 lbf
  

  
- Dynamic load rating: 9800 lbf
  

  
- Enclosure: Double Sealed
  

  
- F (in): 0.2323
  

  
- f (in): 0.1122
  

  
- G (in): 0.3150
  

  
- I.D.: 2.1875 in
  

  
- Locking Device: Eccentric Locking Collar
  

  
- Locking device: Eccentric locking collar
  

  
- Lubrication: Relubricatable
  

  
- Material: Through hardened steel
  

  
- O.D.: 3.937 in
  

  
- Operating Temperature Range: -40 to 250 °F
  

  
- Operating temperature range: -40 to 250 ºF
  

  
- Performance: Standard Duty
  

  
- r (in): 0.0787
  

  
- r1: 0.0787 in
  

  
- Radial Internal Clearance: CN
  

  
- Radial internal clearance: CN
  

  
- S: 1.0945 in
  

  
- S1: 1.7165 in
  

  
- Seal Material: Nitrile Rubber
  

  
- Seal material: Nitrile rubber
  

  
- Seal Type: Contact
  

  
- Seal type: Contact
  

  
- Static Load Rating: 6550 lbf
  

  
- Static load rating: 6550 lbf
  

  
- Type: Insert Bearing
  

  
- Width: 2.811
  
## Product documents / software:

- [Drawing](https://documents.mrosupply.com/product_documents/50/45/5045906/1104_S_9nDybNR.png)
- [2D Sectional View PDF](https://documents.mrosupply.com/product_documents/UE/UELS211-203D1NR/bearingfinder_2d_pdf_fixed_UELS211-203D1NR_jznBQ0B.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.