# NTN 64450/64700 Tapered Roller Bearing - 250 mm Bore, Single Row, Open, Case Carburized Steel - MROSupply.com

***NTN 64450/64700 single row tapered roller bearing with 250 mm straight bore and open enclosure. Constructed from case carburized steel for durability in radial and axial load applications. Suitable for gearboxes, wheel hubs, and industrial machinery.***



## Product details:

- Catalog number: 64450/64700
- SKU: 278327
- Price: ***$212.33*** 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: 7.776 lb
- UPC: 4547359405545


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


## Product attributes;

  
- a (Effective Load Center): 0.0500 in
  

  
- B (in): 4.5000
  

  
- Bore Type: Round
  

  
- Bore type: Round
  

  
- Cone Number: 64450
  

  
- Configuration: One
  

  
- Cup Number: 64700
  

  
- D (in): 7.0000
  

  
- Dynamic Load Rating: 57500 lbf
  

  
- Dynamic load rating: 57500 lbf
  

  
- e (Axial Load Factor): 0.52
  

  
- Enclosure: Open
  

  
- I.D.: 4.5 in
  

  
- Lubrication: w/o Oil Hole
  

  
- Material: Case carburized steel
  

  
- O.D.: 7 in
  

  
- Operating Temperature Range: -40 to 250 °F
  

  
- Operating temperature range: -40 to 250 ºF
  

  
- Precision Rating: Class 2
  

  
- Precision rating: Class 2
  

  
- R (in): 0.14
  

  
- r (in): 0.1300
  

  
- Static Load Rating: 95500 lbf
  

  
- Static load rating: 95500 lbf
  

  
- Style: Cone & cup
  

  
- Type: Tapered Roller Bearing
  

  
- U: 5.16 in
  

  
- V: 4.92 in
  

  
- W: 1.6250 in
  

  
- Wi: 1.6250 in
  

  
- Width: 1.625
  

  
- Wo: 1.1875 in
  

  
- X: 6.77 in
  

  
- Y0 (Axial Load Factor): 0.64
  

  
- Y2 (Axial Load Factor): 1.16
  

  
- Z: 6.30 in
  
## Product documents / software:

- [Drawing](https://documents.mrosupply.com/product_documents/64/22/6422118/1329_S_T0prz4G.png)
- [2D Sectional View PDF](https://documents.mrosupply.com/product_documents/64/64450/64700/bearingfinder_2d_pdf_fixed_644502F64700_6T3Bi6J.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.