# Timken 36686-902A3 Double-Cup Tapered Roller Bearing Assembly, 4-8 in OD - MROSupply.com

***Timken 36686-902A3 double-cup tapered roller bearing assembly for heavy-duty industrial applications. Matched set designed for 4-8 inch outside diameter, providing a robust outer race for high radial and axial loads in gearboxes, conveyors, and heavy machinery. Factory-matched for optimal performance and longevity.***



## Product details:

- Catalog number: 36686-902A3
- SKU: 5068517
- 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: 12.355 lb
- Returns: Yes


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


## Product attributes;

  
- 1 mm Cone backface backing diameter: 6.02 in
  

  
- 153 mm Cone part number: 36686 Cone width:1.1250 in
  

  
- 188.21 mm Cup outer diameter: 7.6250 in
  

  
- 193.675 mm Cup part number: 36620D Design unit:Inch Related Assembly Number(s):36686-902A3 36686-902A4 Series:36600 T - Bearing Width across Cones:2.5623 in
  

  
- 28.575 mm Cup frontface backing diameter: 7.41 in
  

  
- 53.975 mm Cage material: Stamped Steel Cage-cone backface clearance:0.04 in
  

  
- C - Double Cup Width: 2.1250 in
  

  
- I.D.: 5.625 in / 142.875 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.