# Boston Gear FB57-7 69193 Plain Flanged Bearing, FB-57-7 Series - MROSupply.com

***Boston Gear 30242254 69193 FB57-7 FB-57-7 flanged bearing. This plain flanged bearing is designed for light-duty applications requiring a self-aligning, maintenance-free bushing. The FB-57-7 series offers a compact flange design for axial location and radial support in general industrial power transmission systems.***



## Product details:

- Catalog number: 30242254
- SKU: 40272
- Price: ***$4.14*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Boston Gear](https://www.mrosupply.com/brands/boston-gear/)
- Category: 
    - [Plain Flanged Bearings](htts://www.mrosupply.com/bearings/plain-sleeve-bearings/plain-flanged-bearings/)
    - [Plain & Sleeve Bearings](htts://www.mrosupply.com/bearings/plain-sleeve-bearings/)
    - [Bearings](htts://www.mrosupply.com/bearings/)
- Unit of measure: each
- Weight: 0.021 lb
- Technicall support: contact supplier for technical support on 800-626-2120


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




## Product's reviews:
- Finding the right parts. - MRO made it quick and easy.
- Quality coordinator - GOOD QUALITY AND SERVICE.
- Purchase - Great pricing - Fast shipping - A vendor I have used in the past and will again in the future.
- New lead screw gear. - Used this gear on a new lead screw l made for my old 1919 LeBlond belt drive lathe. It worked great for my application.




## 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.