# Timken 492A-2 Tapered Roller Bearing Cup, 4-8 in OD, Precision Class -2 - MROSupply.com

***Timken 492A-2 is a single tapered roller bearing cup (outer ring) for a 4-8 inch outside diameter assembly. This cup features a precision class -2 suffix, indicating ABEC 5 (ISO Class 5) tolerances for applications requiring reduced runout and high accuracy, such as industrial gearboxes or pump shafts. It is designed to be paired with a matched cone to form a complete tapered roller bearing set capable of handling combined radial and axial loads.***



## Product details:

- Catalog number: 492A-2
- SKU: 5067276
- Price: ***$54.02*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Timken](https://www.mrosupply.com/brands/timken/)
- Category: 
    - [Taper Roller Bearing Cups](htts://www.mrosupply.com/bearings/roller-bearings/taper-roller-bearings/taper-roller-bearing-cups/)
    - [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: 1.059 lb
- Returns: Yes


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


## Product documents / software:

- [Product Information](https://documents.mrosupply.com/product_documents/35/81/358135/apered-Single-Roller-Bearings---TS-Engineering_946wybP.pdf)
## Alternate products to `Timken 492A-2 Tapered Roller Bearing Cup, 4-8 in OD, Precision Class -2 - MROSupply.com`:
- [NTN 492A is a single row tapered roller bearing with a straight bore, part of the inch series. Designed for combined radial and axial loads in industrial gearboxes, conveyors, and axle housings. Features a stamped steel cage and open configuration.](https://www.mrosupply.com/products/281352/as-markdown/)
- [Koyo 492A tapered roller bearing cone with straight bore, 5.25 inch outer diameter, and 1.1875 inch width. This inch series cone is designed for use with a matching cup in single-row tapered roller bearing assemblies, supporting combined radial and axial loads in industrial gearboxes, conveyor systems, and vehicle drivetrains.](https://www.mrosupply.com/products/1494492/as-markdown/)
- [Peer 492A](https://www.mrosupply.com/products/5906190/as-markdown/)

## 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.