# NTN JM511946/JM511910 Tapered Roller Bearing - Inch Series, Straight Bore, Open, Case Carburized Steel - MROSupply.com

***NTN JM511946/JM511910 inch-series tapered roller bearing set consisting of cone JM511946 and cup JM511910. Straight bore, open design, case carburized steel construction for durability under heavy radial and axial loads. Suitable for industrial gearboxes and axle applications.***



## Product details:

- Catalog number: JM511946/JM511910
- SKU: 274612
- Price: ***$52.74*** 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: 0.002 lb


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


## Product attributes;

  
- a (Effective Load Center): -0.1300 in
  

  
- B (in): 2.5591
  

  
- Bore Type: Round
  

  
- Bore type: Round
  

  
- Cone Number: JM511946
  

  
- Configuration: One
  

  
- Cup Number: JM511910
  

  
- D (in): 4.3307
  

  
- Dynamic Load Rating: 28100 lbf
  

  
- Dynamic load rating: 28100 lbf
  

  
- e (Axial Load Factor): 0.40
  

  
- Enclosure: Open
  

  
- I.D.: 2.5591 in
  

  
- Lubrication: w/o Oil Hole
  

  
- Material: Case carburized steel
  

  
- O.D.: 4.3307 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): 0.12
  

  
- r (in): 0.1000
  

  
- Static Load Rating: 42000 lbf
  

  
- Static load rating: 42000 lbf
  

  
- Style: Cone & cup
  

  
- Type: Tapered Roller Bearing
  

  
- U: 3.07 in
  

  
- V: 2.83 in
  

  
- W: 1.1024 in
  

  
- Wi: 1.1024 in
  

  
- Wo: 0.8858 in
  

  
- X: 4.13 in
  

  
- Y2 (Axial Load Factor): 1.49
  

  
- Z: 3.90 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/JM511946/JM511910/bearingfinder_2d_pdf_fixed_JM5119462FJM511910_28O3wal.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.