Hold with dry and clean hands.
Use clean mixtures and oils.
Whenever you open a bearing put it on a clean paper.
Work with clean instruments in a clean environment.
Clean the dust before fixing the bearing.
Protect the open parts of bearings from dust & water.
If the bearings have to be wiped, always use a clean cloth which does not loose fragments or yarn.
The new bearings should not be washed off its layer of grease or oil, which forms a protective shield.
The can of grease for bearings should always be kept covered to protect it from dust & water which might destroy the bearings.
Before changing the bearings, carefully clean the bores.
When the bearings are not in use, keep them rolled in oil resistant paper.
Any unfamiliar voice in the bearing should not be ignored, immediately check its shaft & cover.
Treat your old bearings as carefully as you would treat your new bearings.
Open the box or remove coverings of the new bearings long before you are prepared to fix them.
Do not try to scratch or rub hard on the surface of the bearing, this might spoil the oily layer & cause abrasion.
Do not leave bearings in open, especially in dirty & humid atmosphere.
Do not wipe bearing with soiled piece of cloth or cotton; this can do more harm than benefit.
Do not rotate bearing with compressed air.
Do not hold bearings with wet or unclean hands.
Do not work with wooden instruments, small fragments from these may enter bearings & spoil the equipment.
Do not use rough edged or breakable tools as these can scratch bearings.
Never work in an unclean environment.
Dust harms bearings irreplaceably.
If you are using the same vessel for cleaning & final rinsing, the whole process losses its meaning.
Bearings should not be rotated without cleaning.
Lubrication is necessary but incorrect use of lubricants can do more harm.
Wrong type of lubrication or inappropriate quantity may spell doom for the equipment.
There is a protective layer of oil or grease on the bearing when you open the packet do not try to get rid of it as this ensures smooth functioning of the bearings.