# Boston Gear 30219858 18872 Steel Flat Washer for Power Transmission Assemblies - MROSupply.com

***Boston Gear 30219858 18872 steel flat washer for power transmission applications. Provides load distribution and spacing in mechanical assemblies. Constructed from steel for durability and strength. Suitable for use with Boston Gear speed reducers, gearboxes, and other power transmission components.***



## Product details:

- Catalog number: 30219858
- SKU: 38825
- Price: ***$76.33*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Boston Gear](https://www.mrosupply.com/brands/boston-gear/)
- Category: 
    - [Circular Disc](htts://www.mrosupply.com/bearings/plain-sleeve-bearings/circular-disc/)
    - [Plain & Sleeve Bearings](htts://www.mrosupply.com/bearings/plain-sleeve-bearings/)
    - [Bearings](htts://www.mrosupply.com/bearings/)
- Unit of measure: each
- Weight: 0.131 lb
- Technicall support: contact supplier for technical support on 800-626-2120


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




## Product's reviews:
- Quality coordinator - GOOD QUALITY AND SERVICE.
- 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.
- 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.
- Exactly what i needed - Item was exactly what I needed and a perfect fit for my project. Extremely happy.




## 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.