# Timken L623149-90037 Double-Cup Tapered Roller Bearing Assembly, 4-8 in OD, Matched Set - MROSupply.com

***Timken L623149-90037 matched double-cup tapered roller bearing assembly for heavy-duty industrial applications. Precision-matched set with cup-match code 90037, designed for 4-8 inch outside diameter installations. Provides high radial and axial load capacity, commonly used in gearboxes, conveyor systems, and heavy machinery where rigid shaft support is required. Ensures proper preload and runout control for reliable performance.***



## Product details:

- Catalog number: L623149-90037
- SKU: 5066600
- 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: 4.988 lb
- Returns: Yes


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


## Product attributes;

  
- 0.8 mm Cone backface backing diameter: 4.84 in
  

  
- 123 mm Cone part number: L623149 Cone width:0.8438 in
  

  
- 148.08 mm Cup outer diameter: 6.0000 in
  

  
- 152.400 mm Cup part number: L623110D Design unit:Inch Related Assembly Number(s):L623149-90015 L623149-90028 L623149-90031 L623149-90037 Series:L623100 T - Bearing Width across Cones:1.8749 in
  

  
- 21.433 mm Cup frontface backing diameter: 5.83 in
  

  
- 38.100 mm Cage material: Stamped Steel Cage-cone backface clearance:0.03 in
  

  
- C - Double Cup Width: 1.5000 in
  

  
- I.D.: 4.5000 in / 114.300 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.