Engineer
Join Date: May 2010
Location: Bucharest, Romania, Europe
Posts: 591
Bikes: 1989 Krapf (with Dura-ace) road bike, 1973 Sputnik (made by XB3) road bike , 1961 Peugeot fixed gear, 2010 Trek 4400
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If you have a bench vice here's a trick:
Get the crank pointing down and and grip the crank into the vise (with the bike standing up). Try to grip the crank as high as possible, close to the BB. Get a punch (a piece of pipe, solid bar, a large bolt, or something similar) and rest it on the spindle inside and hammer it. You need also someone to help because the bike will rotate freely around BB, also the bike will fall off after it gets free
Provided that you have a decent bench vice it's doable.
Or better yet: a crank puller (or a 2 jaw bearing puller)