Advanced Assembly and Engineering Tools - Inventor 2013 and Inventor LT 2013 Essentials - page 185

6. When the axis of the bearing highlights, right-click and click Select
Other from the context menu.
7. Click the first Face option from the list that highlights the outer diam-
eter of the bearing, as shown in Figure 8.5.
FIGURE 8.5 Use the Select Other option to click additional
selection options for placing assembly constraints.
8. Select the inside face of the large hole in the front cover, and click OK.
9. Click the front face on the ViewCube so you can see that the diameter
of the hole is matched to the diameter of the bearing.
Adaptivity is a great tool for sizing one component based on another, but using
it on too many features or parts can slow your performance. It is best used to
establish a size, and then it can be disabled to lock that size in.
Using the Shaft Generator
It is a simple process to create a shaft by revolving a half section or creating a
series of extrusions stacked end to end. The Shaft Generator design accelerator
constructs the shaft through a dialog box and lays out the segments of the shaft.
1. Make certain that the 2013 Essentials project file is active, and then
open the c08-05.iam file from the Assemblies\Chapter​8 folder.
2. Hold down your Ctrl key and click the Shaft tool in the Power
Transmission panel of the Design tab.