# Timken 455-90186 Double-Cup Tapered Roller Bearing Assembly, 2 in Bore, 4-8 in OD, Matched Set - MROSupply.com

***Timken 455-90186 matched double-cup tapered roller bearing assembly with 2 in bore and 4-8 in OD. Precision-matched set designated by match code 90186 for heavy-duty industrial applications. Provides high radial and axial load capacity in gearboxes, industrial machinery, and equipment requiring robust, pre-set bearing arrangements.***



## Product details:

- Catalog number: 455-90186
- SKU: 5064169
- 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: 6.040 lb
- Returns: Yes


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


## Product attributes;

  
- 1.8 mm Cone backface backing diameter: 2.36 in
  

  
- 100.58 mm Cup outer diameter: 4.25 in
  

  
- 107.95 mm Cup part number: 452D Design unit:Inch Related Assembly Number(s):455-90011 455-90107 455-90139 455-90186 Series:455 T - Bearing Width across Cones:2.5625 in
  

  
- 29.317 mm Cup frontface backing diameter: 3.96 in
  

  
- 53.975 mm Cage material: Stamped Steel Cage-cone backface clearance:0.07 in
  

  
- 60 mm Cone part number: 455 Cone width:1.1542 in
  

  
- C - Double Cup Width: 2.1250 in
  

  
- I.D.: 2 in
  
## 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.