# NTN 430244CS550 Tapered Roller Bearing - Straight Bore, Open, Through Hardened Steel - MROSupply.com

***NTN 430244CS550 tapered roller bearing with straight bore and open design. Constructed from through hardened steel for heavy-duty radial and axial load applications in industrial machinery and equipment.***



## Product details:

- Catalog number: 430244CS550
- SKU: 285762
- Price: ***$29,168.09*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [NTN Bearing](https://www.mrosupply.com/brands/ntn-bearing/)
- Category: 
    - [Taper Roller Bearing Full Assemblies](htts://www.mrosupply.com/bearings/roller-bearings/taper-roller-bearings/taper-roller-bearing-full-assemblies/)
    - [Taper Roller Bearings](htts://www.mrosupply.com/bearings/roller-bearings/taper-roller-bearings/)
    - [Roller Bearings](htts://www.mrosupply.com/bearings/roller-bearings/)
    - [Bearings](htts://www.mrosupply.com/bearings/)
- Unit of measure: each
- Weight: 149.914 lb
- UPC: 4547359302837


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


## Product attributes;

  
- B1: 6.2205 in
  

  
- Bore Type: Round
  

  
- Bore type: Round
  

  
- C (in): 4.8031
  

  
- Configuration: Two
  

  
- D (in): 15.7480
  

  
- d (in): 8.6614
  

  
- Dynamic Load Rating: 315000 lbf
  

  
- Dynamic load rating: 315000 lbf
  

  
- e: 0.49
  

  
- Enclosure: Open
  

  
- I.D.: 220 mm
  

  
- Material: Through hardened steel
  

  
- O.D.: 400 in
  

  
- Precision Rating: Class 0
  

  
- Precision rating: Class 0
  

  
- r (in): 0.1575
  

  
- Static Load Rating: 550000 lbf
  

  
- Static load rating: 550000 lbf
  

  
- Style: TDO
  

  
- Type: Tapered Roller Bearing
  

  
- Y0: 1.40
  

  
- Y1: 1.40
  

  
- Y2: 2.10
  
## Product documents / software:

- [Drawing](https://documents.mrosupply.com/product_documents/50/48/5048963/1612_S_IXuBsH1.png)
- [2D Sectional View PDF](https://documents.mrosupply.com/product_documents/43/430244CS550/bearingfinder_2d_pdf_fixed_430244CS550_eGvbpQR.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.