| All bearings need a lubricant in order to operate. A | | | | these lubricants is important as well. Lubricants |
| roller bearing is a bearing that uses a roller as the | | | | undergo a lot of testing before they are used and |
| moving element inside of the bearing. Grease is a | | | | this testing involves: how corrosive resistant it is, |
| common lubricant to use especially in roller | | | | the life span of the grease, how stable the |
| bearings. Grease is used in 90% of roller bearings. | | | | lubricant will be in the machine, how much |
| This makes it the most popular choice of lubricant | | | | pressure the grease can handle, and how noisy |
| for roller bearings over any other lubricant. Why is | | | | the grease is when it is used as a lubricant. |
| it so commonly used? Grease is very economical | | | | Certain machines or appliances need a low noise |
| and it is easy to apply to the bearings, low cost | | | | lubricant whereas in other machine this is not an |
| and easy application, two winning factors. | | | | important factor. |
| What is grease? Grease is a thick fatty oil. If you | | | | Where does the Grease go in the Roller Bearing? |
| have ever touched or felt grease it feels very | | | | The lubricant surrounds the roller bearings which |
| slimy and it feels like a coating over your fingers | | | | allows it move without friction. Bearings have an |
| but your fingers can still move freely with less | | | | inner and outer ring, the grease is filled in between |
| friction between them. There are many different | | | | these two rings. These two rings surround the |
| types of grease including silicone grease, | | | | rolling element, and so the roller or the ball |
| fluoroether-based grease, laboratory grease, and | | | | depending on the type of bearing is protected. |
| water soluble grease. Different greases can be | | | | Placing the lubricant here means the lubricant is |
| used as different lubricants depending on the job | | | | surrounding the rolling element which means it is |
| the bearing is being used for. | | | | not going to make direct contact with another |
| Grease Testing as a Lubricant for Bearings | | | | piece of material which causes friction which |
| We know that lubricants are exceptionally vital for | | | | causes the bearing to work slowly and can |
| the workings of a bearing and so the testing of | | | | become damaged. |