1. Product Overview The 6009CM open deep groove ball bearing is designed for high-temperature and high-speed rotating equipment, featuring C3 enlarged internal clearance to compensate thermal expansion. It is widely used in industrial fans, drive motors and general machinery where continuous high-temperature operation is required. Get a quote within 24 hours for your project 2. Technical Specifications Model: 6009CM Inner Diameter (ID): 45mm Outer Diameter (OD): 75mm Width: