Milling Machine Bearing Race 8 3/8" x 1 1/4" Replacement Part Piece USED

Description

Milling Machine Tool Part Piece ~ Bearing Race ~ USED
Sorry but I know absolutely nothing about milling machines/milling tools or even the proper name for the item (other than what was tagged on it when we purchased them). We purchased several pieces from an auction in Lancaster County PA which are listed separately and all I know is they are used for milling. I do not know if these pieces work or how they work.
I believe this is made of steel. A magnet does attract to this. Signs of prior use. Some scratches, a few light surface rust speckles and some black scuff marks at spots. It is slightly tapered. (1/4" wide on one side and 1/2" wide on other side ~ photo 8 vs 9)
I don't see any manufacture name on it.
Measures 8 3/8" in diameter x 1 1/4".  Weighs 4 pounds 9 ounces (prior to packaging)
Dollar Bill is not included in sale.
We buy most of our pieces at auctions, flea markets & yard sales so we may not know the history of the item. We are not antique dealers, collectors or experts.  We describe the item along with any flaws and markings we can find the best we can
We will combine shipping whenever possible and ask that payment be made within 4 days.  We do not offer international shipping.
If you are not completely satisfied, please contact us prior to opening a claim with
eBay and we will be happy to work with you.  Thanks for looking!!