Lathe and Milling machine lubricants Practical Machinist· If you have ball or roller bearings you will need a good ball bearing grease I purchased a 1 pound tin of Lubriko Grease that was recommended by the local BB company I have used this on the ball bearings in the spindle of my Unimat for over 30 years and it works very well They still looked new the last time I disassembled As for spray on oil I rarely use the spray cans They are just too