# Timken LM377449-902A4 Tapered Roller Bearing Double Row Assembly, 24-36 in OD, Matched Set - MROSupply.com

***Timken LM377449-902A4 double-row tapered roller bearing assembly (TDO configuration) for heavy industrial applications. This matched set includes the cone, cup, and internal spacer, pre-assembled to factory specifications for runout and preload. Designed for high radial and axial load capacity in large gearboxes, mill stands, and heavy process equipment within the 24-36 inch outside diameter class. The assembly ensures proper bearing geometry and performance when installed as a unit.***



## Product details:

- Catalog number: LM377449-902A4
- SKU: 5075861
- 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: 541.650 lb
- Returns: Yes


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


## Product attributes;

  
- 104.775 mm Cup frontface backing diameter: 27.96 in
  

  
- 177.800 mm Cage material: Pin-Type Cage-cone backface clearance:0.27 in
  

  
- 594 mm Cone part number: LM377449 Cone width:4.1250 in
  

  
- 6.9 mm Cone backface backing diameter: 23.39 in
  

  
- 710.20 mm Cup outer diameter: 29.0000 in
  

  
- 736.600 mm Cup part number: LM377410CD Design unit:Inch Series:LM377400 T - Bearing Width across Cones:8.8750 in
  

  
- C - Double Cup Width: 7.0000 in
  

  
- I.D.: 22 in / 558.8 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.