# Timken 87750-902A4 Tapered Roller Bearing Assembly, 8-12 in OD, Matched Precision Set - MROSupply.com

***Timken 87750-902A4 two-row tapered roller bearing assembly (TDO configuration) with precision cup-match code 902A4 for consistent preload and runout. 8-12 inch outside diameter class. Designed for heavy-duty industrial applications including gearboxes and rolling mills requiring high radial and axial load capacity.***



## Product details:

- Catalog number: 87750-902A4
- SKU: 5077514
- 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: 45.754 lb
- Returns: Yes


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


## Product attributes;

  
- 209 mm Cone part number: 87750 Cone width:1.875 in
  

  
- 266.95 mm Cup outer diameter: 11.1250 in
  

  
- 282.575 mm Cup part number: 87112DC Design unit:Inch Related Assembly Number(s):87750-902A4 Series:87000 T - Bearing Width across Cones:4.2500 in
  

  
- 47.625 mm Cup frontface backing diameter: 10.51 in
  

  
- 79.375 mm Cage material: Stamped Steel Cage-cone backface clearance:0.32 in
  

  
- 8.1 mm Cone backface backing diameter: 8.23 in
  

  
- C - Double Cup Width: 3.1250 in
  

  
- I.D.: 7.5 in / 190.5 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.