# Timken M255449-902F3 Tapered Roller Bearing Matched Assembly, 12-18 in OD, Cone M255449 with Cup Match Code 902F3 - MROSupply.com

***Timken M255449-902F3 matched tapered roller bearing assembly, cone M255449 paired with cup match code 902F3. Single-row design for heavy-duty industrial applications requiring combined radial and axial load capacity, such as gearboxes, conveyor head shafts, and large industrial machinery. 12-18 inch outside diameter class indicates a large, high-capacity bearing suited for demanding environments.***



## Product details:

- Catalog number: M255449-902F3
- SKU: 5077083
- 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: 139.130 lb
- Returns: Yes


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


## Product attributes;

  
- 130.175 mm Cage material: Pin-Type Cage-cone backface clearance:0.15 in
  

  
- 3.8 mm Cone backface backing diameter: 12.44 in
  

  
- 316 mm Cone part number: M255449 Cone width:3.0625 in
  

  
- 388.11 mm Cup outer diameter: 16.0000 in
  

  
- 406.400 mm Cup part number: M255410CD Design unit:Inch Series:M255400 T - Bearing Width across Cones:6.4999 in
  

  
- 77.788 mm Cup frontface backing diameter: 15.28 in
  

  
- C - Double Cup Width: 5.1250 in
  

  
- I.D.: 11.3750 in / 288.925 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.