# NTN LM603049/LM603011 Tapered Roller Bearing - Inch Series, Straight Bore, Open, Case Carburized Steel - MROSupply.com

***NTN LM603049/LM603011 is an inch-series tapered roller bearing set consisting of cone LM603049 and cup LM603011. It features a straight bore, open design, and case carburized steel construction for durability under heavy radial and axial loads. Suitable for industrial gearboxes, axle housings, and vehicle wheel hubs.***



## Product details:

- Catalog number: LM603049/LM603011
- SKU: 274199
- Price: ***$40.11*** 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: 0.763 lb


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


## Product attributes;

  
- a (Effective Load Center): -0.0900 in
  

  
- B (in): 1.7812
  

  
- Bore Type: Round
  

  
- Bore type: Round
  

  
- Cone Number: LM603049
  

  
- Configuration: One
  

  
- Cup Number: LM603011
  

  
- D (in): 3.0625
  

  
- Dynamic Load Rating: 12900 lbf
  

  
- Dynamic load rating: 12900 lbf
  

  
- e (Axial Load Factor): 0.43
  

  
- Enclosure: Open
  

  
- I.D.: 1.7812 in
  

  
- Lubrication: w/o Oil Hole
  

  
- Material: Case carburized steel
  

  
- O.D.: 3.0625 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): 0.0300
  

  
- Static Load Rating: 16500 lbf
  

  
- Static load rating: 16500 lbf
  

  
- Style: Cone & cup
  

  
- Type: Tapered Roller Bearing
  

  
- U: 2.24 in
  

  
- V: 1.97 in
  

  
- W: 0.7812 in
  

  
- Wi: 0.7812 in
  

  
- Wo: 0.5937 in
  

  
- X: 2.91 in
  

  
- Y0 (Axial Load Factor): 0.77
  

  
- Y2 (Axial Load Factor): 1.41
  

  
- Z: 2.80 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/LM/LM603049/LM603011/bearingfinder_2d_pdf_fixed_LM6030492FLM603011_BaDP3Vy.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.