1.Product Overview The 65BC03J30X single row deep groove ball bearing is custom engineered for high-temperature industrial motor rotors, featuring C3 loose internal clearance and 300°F heat stabilization treatment. It is widely used in heavy-duty AC motors and rotary equipment that need to compensate shaft thermal expansion under continuous high heat operation. 👉 Get a quote within 24 hours for your project 2.Technical Specifications Model 65BC03J30X Inner Diameter (ID) 65 mm