This is a Power Drawbar I made for a Precision Matthews 949TV vertical mill. I checked out a number of videos for ideas, and stole as many as I could! :-)
Edit 2/10/2023 - Here is a link to my files on Google Drive: https://drive.google.com/drive/folders/1MMeNPH4rDv7xs2X6RQzSkUnkZw1tVv-U?usp=sharing
Link to Linear bearings: https://www.amazon.com/gp/product/B0742CCYSB/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1
Link to small bearings: https://www.mcmaster.com/60355K861/
Enjoy.