Bearing lubricating procedures

General

In order to better help our customers with their critical lubricant applications, we have prepared this explanation of recommended bearing lubricating procedures. This section provides some general background information.
...more

Bearing cleaning
The removal of any existing oils, greases and anti-corrosion coatings increases in importance as the operating life and reliability of the application becomes more critical.

Bearing fill quantity
The proper fill quantity is important to ensure that all contact surfaces are provided with a suitable lubricating film over the designed operating life. However, over-lubrication is as detrimental as under-lubrication.
...more

Bearing free space

The proper fill quantity of a grease lubricated bearing is often specified as a percentage of the bearing’s free space. It is, therefore important that the bearing free space is accurately determined.

Bearing run-in procedures
The run-in procedure described here is not normally necessary other than for precision bearings or pre-loaded bearings running in high speed applications. However, some type of run-in procedure should be followed when the fill quantity becomes an important parameter. Excessive operating temperatures and/or an over-lubrication condition will result if the necessary run-in is omitted.
...more

Grease changeover
Requirements, procedure and tips when relubricating bearing with a new grease or expelling old grease residue.
...more

Grease filling a bearing

High precision rolling bearings should always be lubricated with clean, fresh grease. It is also important that they be lubricated in a clean, dry environment so as to minimize the possibility of moisture or debris damaging the bearing.

Lubricant storage
Lubricants should always be stored in their original container, in a clean, cool, dry location. Once the container has been opened, the lubricant is subject to contamination by moisture, dirt, and airborne particles.
...more

Click here to download all of these documents as one file...

Click here for a lubricant recommendation online...

Click here to contact us...