Stepped Shaft & Bearing Assembly
Archive date pending confirmation. This public example was created for the portfolio in 2026.
Project Overview
Objective
Present an inspectable rotating assembly with identifiable shoulders, support locations, and a coupling interface for subsequent engineering review.
Role & Responsibilities
Independent portfolio study focused on geometry, documented inputs, and engineering review.
- Define shaft stations, bearing-seat diameters, shoulders, and coupling position.
- Locate two bearing supports and inspect the assembly sequence.
- Review clearance around the shaft, flange, and support blocks.
Engineering Features
- Nominal shaft length
- 140 mm
- Bearing-seat diameter
- 20 mm
- Supports
- 2
- Coupling
- 4-hole representative flange
Tools & Software
Outcome
Shaft layout and bearing-interface study.
A documented portfolio demonstration. Manufactured or externally validated performance is not claimed.
3D Model
Drag to rotate. Use the viewer controls to inspect the assembly from another angle.
Drawings
Front, side, top, and isometric views of the portfolio geometry. Select the sheet to view it in detail.
| Parameter | Nominal study input |
|---|---|
| Nominal shaft length | 140 mm |
| Bearing-seat diameter | 20 mm |
| Supports | 2 |
| Coupling | 4-hole representative flange |
Project Gallery
Rendered views of the CAD demonstration. These images show model geometry, rather than photographs of fabricated components.
Source & Engineering Notes
Model Assumptions
Nominal shaft length 140 mm with a 20 mm bearing-seat diameter. Bearing rings and coupling holes are representative. No service torque, duty cycle, or bearing-life claim is assigned.
Design Workflow
- Define shaft stations, bearing-seat diameters, shoulders, and coupling position.
- Locate two bearing supports and inspect the assembly sequence.
- Review clearance around the shaft, flange, and support blocks.
- Identify where fits, tolerances, keyways, and retaining details must be specified.
- Prepare an engineering review plan for torque, bending, fatigue, and bearing life.
Engineering Checks
Dimensional inspection and assembly review are distinct from load validation. Final design requires a defined duty, material, loads, fatigue method, and bearing selection.
Study Limitations
New portfolio geometry. The 2019 archive label is illustrative, not a verified completion date. Bearing supports and shaft geometry are not approved for manufacture.