Figure 2.41 illustrates the assembly of a shaft support. The components are numbered 1, 2, 3, and 4. Identify the type of drawing and list the different parts shown in the figure.

• Component 3 (Stepped Shaft) has a section with a diameter of $\emptyset 48$.
• Component 4 (Bush/Sleeve) has an inner diameter of $\emptyset 48$.

The $\emptyset 48$ section of the Stepped Shaft (Component 3) is designed to fit into the $\emptyset 48$ inner bore of the Bush/Sleeve (Component 4). This assembly would typically allow the shaft to rotate within the bush, with the bush providing a bearing surface or acting as a wear part. The length of the $\emptyset 48$ section of the shaft is 73, and the length of the bush is 72, indicating a suitable fit for the shaft to pass through or seat within the bush.

The potential assembly is:

• The $\emptyset 48$ diameter section of the Stepped Shaft (Component 3) fits into the $\emptyset 48$ inner diameter of the Bush/Sleeve (Component 4).