Click the right mouse button on the constraint bearing component to choose Properties of constraint bearing. The user can modify the property of a constraint bearing in following dialog box.

Figure 1 Constraint Bearing property page
•Type: Spherical Joint, Cylindrical Joint and Revolute Joint Type.
The user can refer the following table for each constraint bearing.

Table 1 Constraint bearing characteristics
•Please refer to the Friction types in below.
① Select Friction Coefficient in the combo box

Figure 2 Coulomb Friction
o Journal Radius: shaft radius attached bearing inside
② Click More and enter the values to define Coulomb Friction

Figure 3 Friction Definition dialog box

Figure 4 Standard Friction
① Select Empirical Formula in the combo box.

Figure 5 Empirical formula Friction

Figure 6 Journal Radius & Radial Clearance
② Click More and enter the values to define Empirical formula friction

Figure 7 Empirical Formula Friction dialog box
•Friction Torque

Figure 8 Parameters for SOMMERFELD number

* Each Lubrication region is decided by SOMMERFELD number

Figure 9 Friction Coefficient vs SOMMERFELD number
•Friction Force

Figure 10 Parameters for Dimensionless Duty Parameter

* Each Lubrication region is decided by Dimensionless Duty Parameter

Figure 11 Friction Coefficient vs Dimensionless Duty parameter