# NTN CS305LLU Deep Groove Ball Bearing - 25 mm Bore, Double Sealed, Steel Cage - MROSupply.com

***NTN CS305LLU is a deep groove ball bearing with a 25 mm straight bore. It features double sealed enclosures and a steel cage. The bearing is constructed from through hardened steel for durability in general industrial rotating equipment.***



## Product details:

- Catalog number: CS305LLU
- SKU: 275953
- Price: ***$127.96*** 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: 0.485 lb


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


## Product attributes;

  
- Axial Static Load Rating: 2450 lbf
  

  
- Axial static load rating: 2450 lbf
  

  
- B4: 0.6690 in
  

  
- Ball Material: Through Hardened Steel
  

  
- Ball material: Through hardened steel
  

  
- Bore Type: Cylindrical
  

  
- Bore type: Cylindrical
  

  
- Cage Material: Pressed Steel
  

  
- Cage material: Pressed steel
  

  
- Cage Type: Pressed
  

  
- Cage type: Pressed
  

  
- Configuration: One
  

  
- D (in): 2.4410
  

  
- d (in): 0.9840
  

  
- Dynamic Load Rating: 4766 lbf
  

  
- Dynamic load rating: 4766 lbf
  

  
- Enclosure: Full Contact Seal - Both Sides
  

  
- Height: 2.441
  

  
- Housing Width: 0 in
  

  
- Housing width: 0 in
  

  
- I.D.: 25 mm
  

  
- Length: 2.441
  

  
- Material: Through hardened steel
  

  
- Number of Holes: 0
  

  
- Number of holes: 0
  

  
- O.D.: 62 mm
  

  
- Operating Temperature Range: -40 to 250 °F
  

  
- Operating temperature range: -40 to 250 ºF
  

  
- Outside Ring Type: Spherical OD
  

  
- Precision: ISO class 0
  

  
- r (in): 0.0591
  

  
- Radial Dynamic Load Rating: 4766 lbf
  

  
- Radial Internal Clearance: CN
  

  
- Radial internal clearance: CN
  

  
- Seal Material: Nitrile Rubber
  

  
- Seal material: Nitrile rubber
  

  
- Seal Type: Contact
  

  
- Seal type: Contact
  

  
- Static Load Rating: 2451 lbf
  

  
- Static load rating: 2451 lbf
  

  
- Total Length: 0.0000 in
  

  
- Total length: 0.0000 in
  

  
- Type: Deep Groove Ball Bearing
  

  
- Width: 0.6693
  
## Product documents / software:

- [Drawing](https://documents.mrosupply.com/product_documents/83/04/830403/1210_S_52nyaCG.png)
- [2D Sectional View PDF](https://documents.mrosupply.com/product_documents/CS/CS305LLU/bearingfinder_2d_pdf_fixed_CS305LLU_96K61re.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.