Title: Bearing removal for awkward pinion bearings.
Post by: simonb on October 28, 2018, 05:30:23 PM
Post by: simonb on October 28, 2018, 05:30:23 PM
Tools needed.
Engineering dowel same size as inside of bearing.
In this case it's a 1/4 inch dowel. The are tapered to go into a 1/4 inch hole on one end. The chamfered end.
Add a bearing in a blind hole that won't come out easily.
In this case a little Avet SXJ.
Hold case in hand and push the dowel into the bearing. When it gets tight tap it in with a calibrated hammer [1].
The dowel will slide all the way in.
Now using a suitable punch tap it out from the other side using a calibrated hammer [1].
And there it is.
[1] Calibrated hammer Toolmakers term for any size hammer but don't hit it too hard.
Si
Engineering dowel same size as inside of bearing.
In this case it's a 1/4 inch dowel. The are tapered to go into a 1/4 inch hole on one end. The chamfered end.
Add a bearing in a blind hole that won't come out easily.
In this case a little Avet SXJ.
Hold case in hand and push the dowel into the bearing. When it gets tight tap it in with a calibrated hammer [1].
The dowel will slide all the way in.
Now using a suitable punch tap it out from the other side using a calibrated hammer [1].
And there it is.
[1] Calibrated hammer Toolmakers term for any size hammer but don't hit it too hard.
Si
Title: Re: Bearing removal for awkward pinion bearings.
Post by: alantani on October 28, 2018, 05:56:59 PM
Post by: alantani on October 28, 2018, 05:56:59 PM
removing stuck bearings is the bane of my existence...... >:(
Title: Re: Bearing removal for awkward pinion bearings.
Post by: simonb on October 28, 2018, 09:01:57 PM
Post by: simonb on October 28, 2018, 09:01:57 PM
Quote from: alantani on October 28, 2018, 05:56:59 PM
removing stuck bearings is the bane of my existence...... >:(
Same sort of thing again:
I use Tri-Flow Expensive but does a superb job. It's also very good for freeing stuck spigot's on rods. Leave it to soak for 8 hrs or so.
Si
Title: Re: Bearing removal for awkward pinion bearings.
Post by: foakes on October 28, 2018, 10:58:37 PM
Post by: foakes on October 28, 2018, 10:58:37 PM
Thanks, Simon —
For some reason, I can only view your first photo of six.
Might be on my end or your end — can't tell...
But thank you for this technique!
You inspired me to take a look at my bearing removal system...
These hammers have now been "calibrated" very carefully into a precise and graduated group.
😁😁😁
Best Always,
Fred
For some reason, I can only view your first photo of six.
Might be on my end or your end — can't tell...
But thank you for this technique!
You inspired me to take a look at my bearing removal system...
These hammers have now been "calibrated" very carefully into a precise and graduated group.
😁😁😁
Best Always,
Fred
Title: Re: Bearing removal for awkward pinion bearings.
Post by: thorhammer on October 28, 2018, 11:50:43 PM
Post by: thorhammer on October 28, 2018, 11:50:43 PM
Now that's funny i don't care who you are ....
Title: Re: Bearing removal for awkward pinion bearings.
Post by: Rivverrat on October 29, 2018, 12:19:15 AM
Post by: Rivverrat on October 29, 2018, 12:19:15 AM
Mans gtot to have his hammers... Jeff
Title: Re: Bearing removal for awkward pinion bearings.
Post by: Gfish on October 29, 2018, 01:44:54 AM
Post by: Gfish on October 29, 2018, 01:44:54 AM
Same thing, only first picture visible.
Title: Re: Bearing removal for awkward pinion bearings.
Post by: Tiddlerbasher on October 29, 2018, 01:52:53 AM
Post by: Tiddlerbasher on October 29, 2018, 01:52:53 AM
Same here - only the first photo :-\
Fred I've got a bigger hammer ;)
Fred I've got a bigger hammer ;)
Title: Re: Bearing removal for awkward pinion bearings.
Post by: Donnyboat on October 29, 2018, 02:18:39 AM
Post by: Donnyboat on October 29, 2018, 02:18:39 AM
X 3, only first photo, yes I have a really large hammer, just that I am to weak to lift it these days, cheers Don.
Title: Re: Bearing removal for awkward pinion bearings.
Post by: simonb on October 29, 2018, 08:18:14 AM
Post by: simonb on October 29, 2018, 08:18:14 AM
Quote from: thorhammer on October 28, 2018, 11:50:43 PM
Now that's funny i don't care who you are ....
How do you ensure the hammers go back in the correct calibrated holders? :D :D :D
Si
Title: Re: Bearing removal for awkward pinion bearings.
Post by: Captain64-200 on October 29, 2018, 10:57:35 AM
Post by: Captain64-200 on October 29, 2018, 10:57:35 AM
Nice precision tools ! ;D
Title: Re: Bearing removal for awkward pinion bearings.
Post by: Brendan on October 29, 2018, 12:30:37 PM
Post by: Brendan on October 29, 2018, 12:30:37 PM
"Hold my beer and watch this." Priceless.
Brendan.
Brendan.
Title: Re: Bearing removal for awkward pinion bearings.
Post by: Zimbass on October 29, 2018, 01:07:18 PM
Post by: Zimbass on October 29, 2018, 01:07:18 PM
Never thought I would open a post on bearing removal, and get such a laugh :D :D
Title: Re: Bearing removal for awkward pinion bearings.
Post by: Gfish on October 29, 2018, 09:22:25 PM
Post by: Gfish on October 29, 2018, 09:22:25 PM
Got the pix now, thanks hoss. Good stuff to know...
Title: Re: Bearing removal for awkward pinion bearings.
Post by: simonb on October 30, 2018, 06:35:40 AM
Post by: simonb on October 30, 2018, 06:35:40 AM
Quote from: Gfish on October 29, 2018, 09:22:25 PM
Got the pix now, thanks hoss. Good stuff to know...
I uploaded them. Trouble with google permissions.
Si