A roller bearing is composed of an inner ring, rollers, and an outer ring. The outer ring consists of several segments that are connected by beam forces, acting like a flexible body. The geometries is created from users input parameters. The roller bearing group has two kinds of contacts. One contact between balls and an inner ring is a Cylinder-to-Cylinder contact. The other contact between balls and an outer ring is a Cylinder-in-Cylinder contact.

Figure 1 Roller Bearing

|
Bba |
Bearing Thickness |
|
Doi |
Outside diameter of inner ring |
|
Dii |
Inside diameter of inner ring |
|
Doo |
Outside diameter of outer ring |
|
Dio |
Inside diameter of outer ring |
|
Dba |
Roller diameter |
|
Roller length |
Roller length |
Figure 2 Geometric information of a Bearing group
Roller movement

Figure 3 Roller movement #1
•Outer Body can rotate along to Rolling Circle.

Figure 4 Roller movement #2
•Roller Dummy can move to radial direction for Rolling Circle.

Figure 5 Roller movement #2
• Roller can rotate with respect to the center marker for Roller Dummy.

Figure 6 Roller movement #2