1. Product Overview The 497/492A tapered roller bearing is an inch-size separable bearing unit designed for heavy-load rotary systems, capable of bearing combined radial and unidirectional axial loads simultaneously. It is widely used in truck axles, construction machinery and agricultural vehicles under heavy impact and mixed load working conditions. 👉 Get a quote within 24 hours for your project 2. Technical Specifications Parameter Value Model 497/492A Inner Diameter (ID)