S/SF695 2RS ABEC 7 Ceramic BearingEngineered for precision and performance, Hyperdrive Design's S/SF695 2RS ceramic bearing is the ideal solution for high-speed and high-temperature applications. Featuring an ABEC 7 precision rating, this bearing ensures smooth operation and exceptional accuracy. Packed with high-temperature, high-speed grease, compared to others who use oil, it offers durability and reliability in demanding environments for longer-lasting and tighter tolerances. Whether you're optimizing your 3D printer or enhancing other high-performance machinery, this bearing delivers the quality and endurance you need. The break-in period is about 50 hours of print time. We have noticed the more you run them and the faster you go with them, the better the prints get. (RESULTS BASED ON TESTING FROM THE HYPERDRIVE GALAXY PULSE) Specifications: Type: S/SF695 2RS 5x13x4mm Material: Ceramic Precision Rating: ABEC 7 Lubrication: High-temperature, high-speed grease Upgrade your setup with Hyperdrive Design's trusted quality!