# Timken L357049-90053 Two-Row Tapered Roller Bearing Assembly, 12-18 in OD, Matched Set - MROSupply.com

***Timken L357049-90053 is a two-row tapered roller bearing assembly (TRB) with a 12-18 inch outside diameter cup. This matched set features cone L357049 paired with cup match code 90053, providing factory-set preload and runout for heavy-duty industrial applications such as gearboxes, rolling mills, and large industrial machinery. The assembly is designed for combined radial and axial loads in demanding environments.***



## Product details:

- Catalog number: L357049-90053
- SKU: 5072874
- 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: 65.476 lb
- Returns: Yes


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


## Product attributes;

  
- 329 mm Cone part number: L357049 Cone width:2 in
  

  
- 383.00 mm Cup outer diameter: 15.5 in
  

  
- 393.7 mm Cup part number: L357010CD Design unit:Inch Series:L357000 T - Bearing Width across Cones:4.2499 in
  

  
- 4.6 mm Cone backface backing diameter: 12.95 in
  

  
- 50.8 mm Cup frontface backing diameter: 15.08 in
  

  
- 82.55 mm Cage material: Stamped Steel Cage-cone backface clearance:0.18 in
  

  
- C - Double Cup Width: 3.25 in
  

  
- I.D.: 12 in / 304.8 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.