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Bearing Lubrication Selection for PKB Bearings
Bearing lubrication is an essential element of bearing selection. Proper lubricant can reduce friction, prevent bearing wear, protect bearing surfaces from corrosion, and carry away excess heat from bearing operation. PACAMOR KUBAR BEARINGS (PKB) selects only bearing approved and tested oils and greases for our variety of lubricant options. Bearings operate on a very thin film of lubricant which must be maintained, or replaced, to ensure that maximum bearing life is achieved. Proper selection, application, and maintenance are vital in maximizing bearing life. Using the proper lubrication in the bearing will reduce friction and wear. This is achieved by creating a hydrodynamic film of appropriate thickness and strength to support the load while separating the balls from the raceway.
Bearing lubrication prevents against metal to metal contact. It also minimizes retainer wear by reducing friction. Proper lubricant will conduct heat away from the bearing. Operational conditions such as temperature, loads, speed, torque, and environment determine the lube appropriate for the application. Oils are used where low bearing friction torque is a primary concern. Grease may provide longer operating life and resist lubricant loss due to centrifugal forces at higher speeds. Dry film lubricants are often appropriate for vacuum environments or other conditions where wet lube is not an option. PACAMOR KUBAR BEARINGS (PKB) offers bearing lubrication in grease form, oil lubricants, and solid dry film lubricants.
This is a sample of the most popular oils and greases for miniature and instrument ball bearings. If you require a lubricant that is not listed here, please contact us. PKB maintains an extensive inventory of other popular lubricant options. Dry film lubricants are also available upon request.