The fit between gear shaft and hole varies depending on different application scenarios and design requirements. There are mainly the following cases: 1. Interference Fit 2. Transition Fit 3. Clearance Fit Clearance fit refers to the presence of a certain gap between the shaft and the hole, typically with IT11~IT13 grade tolerances. Typical applications include … Continue reading How to Select the Fit Between Gear Shaft and Hole?