# Timken LM451349-90122 Two-Row Tapered Roller Bearing Assembly, 12-18 in OD, Matched Set - MROSupply.com

***Timken LM451349-90122 matched two-row tapered roller bearing assembly for heavy-duty industrial applications. Precision-matched set with cone LM451349 and cup match code 90122, designed for combined radial and axial loads in gearboxes, rolling mills, and large industrial machinery. 12-18 inch outside diameter class for high load capacity in demanding environments.***



## Product details:

- Catalog number: LM451349-90122
- SKU: 5076665
- Call for Pricing - 888-671-2883
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Timken](https://www.mrosupply.com/brands/timken/)
- 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: 70.118 lb
- Returns: Yes


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


## Product attributes;

  
- 101.600 mm Cage material: Stamped Steel Cage-cone backface clearance:0.19 in
  

  
- 285 mm Cone part number: LM451349 Cone width:2.2500 in
  

  
- 343.41 mm Cup outer diameter: 14 in
  

  
- 355.6 mm Cup part number: LM451310CD Design unit:Inch Series:LM451300 T - Bearing Width across Cones:4.9999 in
  

  
- 4.8 mm Cone backface backing diameter: 11.22 in
  

  
- 57.150 mm Cup frontface backing diameter: 13.52 in
  

  
- C - Double Cup Width: 4.0000 in
  

  
- I.D.: 10.5 in / 266.7 mm
  
## Product documents / software:

- [Product Information](https://documents.mrosupply.com/product_documents/35/81/358135/apered-Single-Roller-Bearings---TS-Engineering_946wybP.pdf)

## Product's reviews:
- Best company to buy from - I always buy from MRO is a very reliable company to work with




## 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.