# Timken 52400-90103 Double-Cup Tapered Roller Bearing Assembly, 4-8 in OD, Matched Set - MROSupply.com

***Timken 52400-90103 matched double-cup tapered roller bearing assembly for heavy-duty industrial applications. Precision-matched set with factory-set preload, designated by match code 90103. Designed for 4-8 inch outside diameter applications, commonly used in gearboxes, heavy machinery, and industrial drives requiring high radial and axial load capacity. Ensures proper internal clearance and runout for reliable performance.***



## Product details:

- Catalog number: 52400-90103
- SKU: 5063326
- 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: 13.343 lb
- Returns: Yes


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


## Product attributes;

  
- 117 mm Cone part number: 52400 Cone width:1.4219 in
  

  
- 153.92 mm Cup outer diameter: 6.3750 in
  

  
- 161.925 mm Cup part number: 52637D Design unit:Inch Series:52000 T - Bearing Width across Cones:3.2498 in
  

  
- 36.116 mm Cup frontface backing diameter: 6.08 in
  

  
- 4.1 mm Cone backface backing diameter: 4.61 in
  

  
- 61.913 mm Cage material: Stamped Steel Cage-cone backface clearance:0.16 in
  

  
- C - Double Cup Width: 2.4375 in
  

  
- I.D.: 4 in / 101.600 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.