# Boston Gear M57-8 30224880 Bear-N-Bronz Plain Sleeve Bearing Bronze - MROSupply.com

***Boston Gear 30224880 M57-8 Bear-N-Bronz plain sleeve bearing. This bronze bushing is designed for general industrial applications requiring a durable, self-lubricating bearing surface. The M57-8 size provides a precise fit for shaft support in low-speed, moderate-load environments.***



## Product details:

- Catalog number: M57-8
- SKU: 1754356
- Price: ***$28.07*** 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 Sleeve Bearings](htts://www.mrosupply.com/bearings/plain-sleeve-bearings/plain-sleeve-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 documents / software:

- [Catalog Product Section](https://documents.mrosupply.com/product_documents/57/57878/p-1930-bg_bearings_VyuTDjp.pdf)
- [Engineering Data](https://documents.mrosupply.com/product_documents/57/57878/p-1930-bg_engineering-info-general_kSdJNwu.pdf)
- [Full Catalog](https://documents.mrosupply.com/product_documents/57/57878/p-1930-bg.pdf)

## Product's reviews:
- Fast shipping - I ordered this part hoping it would arrive within 2 weeks because I had an emergency situation with an employee waiting to repair a piece of equipment at a customer’s location. The part actually arrived halfway across the country in 5 days including the weekend. MRO processed, packaged and shipped it with incredible speed. Thanks again!
- 12d.p. 14t spur gear - This item was closer to exactly what I needed than I had thought possible to find in the last 75 or so years. quite affordable, too. I almost didn't look, but when I did, there it was. I had in hand in just a couple of days.
- 80 tooth change gear - Exact part for the machine, deliverd quickly, and priced right!
- Good quality, fast delivery. - Easy ordering, don't have a minimum quantity, and fast delivery. Very satisfied with order.




## 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.