primary side crank inner race bearing spec for 3C

[LJ-2]

I m talking about the inner race though,not your casing pics,  so do you use the same puller for both Grant?

 

[Grant]

No

 

[laverdas]

i've used a slide hammer blind bearind puller for years works great with a bit of heat

 

[Tippie]

I just had to do them on an SF motor. The sidecover had been glass beaded and the needle rollers were full of it, as well as the inner on the crank had been damaged at some time. I tried numerous methods with gradually less gentleness, and patience, then just the "we have ways and means of getting you out". If anyone has a grinder and welder at hand it was a sinch. Tacked a nut behind a plate that just fitted into the outer. On the crank I had already destroyed the cage, but the gb one I just welded it to the cage. They sat bloody tight too. The crank inner I ground down with the angle grinder, used a piece of cardboard with a hole for the crank to protect from filings, until it was very thin and cracked across with a llght blow from a screwdriver and hammer then it fell off. The bearings go in the bin anyway so there is no reason to get them out re-useable.
I try to add a 66kb pic but it refuses to go. Simple enough explanation though.