REF: Tools - 121

Click on a pic to enlarge:

Lay your rollers in a magnetic parts tray which actually magnetized them enough to stick to the bearing race without any grease. Works even better with oil in the tray. 1)2)

These are available at most auto parts stores, are cheap and have plenty of uses.
They can be stuck to your metal tool box etc. and stored out of the way until needed.
However, it's best make sure the magnet is clean before using it on vital engine parts.

Telescoping magnets make a handy lifter holder when installing cams on an Evo engine. 3)

Here's a good place to store some parts while using a lift table.

Storing Parts 4)