PHENOLIC bearings have frequently been used P for roll mills, thrust collars and rings, lifter bearings, side bearings on brass mills, plate mills and sheet mills, etc. They have sometimes replaced lignum vitae for marine propellor shaft bearings. Their lubrication can be effectively accomplished with water which, obviously, is the best coolant. It is important, however, to give special attention to bearing design and application of the water to ensure the best results.