Vorteks How do I get a stuck Bering off of a input gear?

[vorteks maniac]

the Bering still moves freely but the Bering won’t come off of the shaft.

 

[332_RC]

Is the pinion plastic?

 

[vorteks maniac]

Is the pinion plastic?

On the motor? The shaft on the output gear is plastic, the pinion is metal and the spur is metal. I don’t have a dermal

 

[332_RC]

My bad. Not the motor pinion I meant in the picture. Plastic output gear. Little heat. Not much.

 

[vorteks maniac]

Will a lighter do? Like a cigarette lighter, will wd-40 work?

 

[332_RC]

Maybe. I keep a mini torch for RC stuff. Lighter may be better with surrounding plastic

 

[parcou]

the Bering still moves freely but the Bering won’t come off of the shaft.

View attachment 357850

Notes I saved over the years to get those off:

Input Gear Inner Bearing Removal

• User #1: Had a one of the thin wrenches that came with one of my saws that is for tightening the blade, happens to fit around the plastic part but still smaller than the bearing. After I used the screwdriver to pry the bearing enough to get that wrench in there, set the metal part on the ground and used a hammer to tap the wrench and push the bearing down. Worked amazingly well! Maybe that will help someone else out too.
• User #2: Put it in the fridge for 2 hours and then in the freezer for 30/45 minutes. It pulled right off, no tools are required

 

[vorteks maniac]

I accidentally blew it up with a hammer but thank you for your help… also what size do you think it is?

 

[Reverendg]

Wd40 is ok, but if you want to loosen gears,bearings, etc, on tight shafts go with aerokroil, a few applications and go have dinner…comes off easy after that in most cases.

 

[Neelis]

I accidentally blew it up with a hammer but thank you for your help… also what size do you think it is?

https://www.arrma-rc.com/en/interactive-exploded-view?pid=ARA4305V3T1

Here you can find the parts and information you need.

 

[NitroK]

Another option is to get a micro bearing puller

 

[Neelis]

Another option is to get a micro bearing puller

View attachment 363421

To 'rescue' and old bearing that cost 1.5 euro?
With a puller you most likely damage the balls, because you will pull on the outer ring. Is not something I would use.

 

[NitroK]

To 'rescue' and old bearing that cost 1.5 euro?
With a puller you most likely damage the balls, because you will pull on the outer ring. Is not something I would use.

FYI..suggesting the option of the availability of a proper tool for the job. Never pull bearing out applying force on the outer ring. Puller has to sit flush against inner ring. Same applies prying out with a screwdriver or any other tool.