Need recommendations on sb9a headstock wear

[ShagDog]

Trying to find a bearing that will fit the spindle without modifying it is a challenge. What would be the top choice for bushing material if one was to make one?

Bronze.

 

[ShagDog]

Here's some food for thought.

Converting Cast Iron Headstock Bearings to Bronze Bearings

I'm posting the following photos in response to user tar356 who asked in another thread about converting a cast iron bearing headstock to accept bronze sleeves. I have no firsthand knowledge of feasibility, nor have I seen it documented on any thread here. However, having the benefit of both...

www.practicalmachinist.com

Boring out head and installing bronze bearings..

1948 9" model C... I have a thread about the spindle not turning well...but this thread is more than just that. I have for some time considered it. I currently have the CI style...And i would love to be able to increase my spindle bore..... I have a friend who has quality machines and can re...

www.practicalmachinist.com

Fitting bronze sleeves - 9" headstock.

I had a thread going about this but it got lost with the new ubb software change. So from the beginning. A buddy gave me a 9" model A that was just collecting dust at his machine shop.(I'll return the favor by doing some work in his home) So first thing I did was totally tear it down. I...

www.practicalmachinist.com

 

[woodchucker]

Trying to find a bearing that will fit the spindle without modifying it is a challenge. What would be the top choice for bushing material if one was to make one?

first what kind of bearing are you looking for? Ball,roller, taper , needle, etc.
what size is the shaft, the bearing cup, the width needed.