Inch size tapered roller bearings are a type of roller bearing that have a tapered inner and outer raceway. This design allows for the bearings to handle both radial and axial loads, making them suitable for a wide range of applications. The inch size designation refers to the dimensions of the bearings, which are measured in inches rather than millimeters. This is commonly used in the United States and some other countries that still use the imperial system of measurement. Inch size tapered roller bearings are commonly used in automotive applications, industrial machinery, and heavy equipment. They are available in various sizes and configurations to meet different load and speed requirements. Inch size tapered roller bearings are a versatile and durable type of bearing that can handle high loads and provide reliable performance in a wide range of applications.