| Application |
Symptom |
Possible
Cause |
Check
For |
| Bearing(Assumes
that bearing are in service) |
|
|
|
| Rolling contact |
Noise |
Condition
of Bearing |
Worn or brinelled
bearing |
| |
High
BearingTemperature |
Over
greasing |
Too
frequent application grease
bearing packed too full. |
| |
|
Starvation |
Insufficient
application frequency. |
| |
|
Incorrect
Product |
Incorrect
base oil viscosity. Deficient
load-carrying ability (EP
quality) |
| |
Excessive
leakage |
Seals |
Mechanical
damage. Incorrect installation. |
| |
|
Over greasing |
Too frequent
application of grease excessive
amount applied. |
| |
|
Incorrect
product |
Grease too
soft for application or
softening in services. |
| |
|
Incompatibility
of grease. |
Admixture
of greases. |
| |
Frequent bearing
replacement. |
Excessive
wear |
Insufficient
load-carrying ability (EP)
of grease to handle shock
loading starvation. |
| |
|
|
Contamination,
dirt, and rust, normal bearing
life exceeded. Installation
malpractice. Grease too
stuff, causing channeling. |
| |
|
High temperature |
High operating
temperature. |
| |
|
Misalignment |
Correct alignment |