Yes, you need an .010" undersize bearing. Fortunately, that size conversion bearing is still somewhat available- - - -expensive, but still in stock at most suppliers. The .020 under bearings are just about nonexistent.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!