# PTI SR2-FB4-55MMTLXP Spherical Roller Bearing 4-Bolt Flange Block - 55 mm Bore, Expansion Type - MROSupply.com

***PTI SR2-FB4-55MMTLXP is a spherical roller bearing housed in a 4-bolt flange block with a 55 mm bore. This expansion (EX) unit accommodates axial shaft movement. The SR2 series offers enhanced load capacity and durability for heavy-duty industrial applications.***



## Product details:

- Catalog number: SR2-FB4-55MMTLXP
- SKU: 5743265
- Price: ***$474.97*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [PTI](https://www.mrosupply.com/brands/pti/)
- Category: 
    - [4-Bolt Flange](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-ball-bearings/flanged-mounted-bearings/4-bolt-flange/)
    - [Flanged Mounted Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-ball-bearings/flanged-mounted-bearings/)
    - [Mounted Ball Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-ball-bearings/)
    - [Mounted Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/)
    - [Bearings](htts://www.mrosupply.com/bearings/)
- Unit of measure: each
- Technicall support: contact supplier for technical support on 704 588 1091


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




## Product's reviews:
- Good service - good product - good quality bearings
- Ring roll chain tensioner - easy to install, works great, extends chain life by keeping chain from whipping around. Reduces drive chain noise.
- Thanks - Thanks for the help. I will be ordering again




## 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.