# NTN JM207049/JM207010 Tapered Roller Bearing - Inch Series, Straight Bore, Open, Case Carburized Steel - MROSupply.com

***NTN JM207049/JM207010 inch series tapered roller bearing set comprising cone JM207049 and cup JM207010. Straight bore, open design, case carburized steel construction. Single row bearing for moderate speed and load applications in gearboxes and industrial machinery.***



## Product details:

- Catalog number: JM207049/JM207010
- SKU: 274617
- Price: ***$54.79*** 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: 1.808 lb


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


## Product attributes;

  
- a (Effective Load Center): -0.3000 in
  

  
- B (in): 2.1654
  

  
- Bore Type: Round
  

  
- Bore type: Round
  

  
- Cone Number: JM207049
  

  
- Configuration: One
  

  
- Cup Number: JM207010
  

  
- D (in): 3.7402
  

  
- Dynamic Load Rating: 24100 lbf
  

  
- Dynamic load rating: 24100 lbf
  

  
- e (Axial Load Factor): 0.33
  

  
- Enclosure: Open
  

  
- I.D.: 2.1654 in
  

  
- Lubrication: w/o Oil Hole
  

  
- Material: Case carburized steel
  

  
- O.D.: 3.7402 in
  

  
- Operating Temperature Range: -40 to 250 °F
  

  
- Operating temperature range: -40 to 250 ºF
  

  
- Precision Rating: Class N
  

  
- Precision rating: Class N
  

  
- R (in): 0.06
  

  
- r (in): 0.1000
  

  
- r1as max: 0.0984 in
  

  
- Static Load Rating: 32500 lbf
  

  
- Static load rating: 32500 lbf
  

  
- Style: Cone & cup
  

  
- Type: Tapered Roller Bearing
  

  
- U: 2.52 in
  

  
- V: 2.44 in
  

  
- W: 1.1417 in
  

  
- Wi: 1.1417 in
  

  
- Wo: 0.9252 in
  

  
- X: 3.58 in
  

  
- Y2 (Axial Load Factor): 1.79
  

  
- Z: 3.35 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/JM/JM207049/JM207010/bearingfinder_2d_pdf_fixed_JM2070492FJM207010_P1kVlN7.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.