6000 Nachi Bearing Open C3 Japan 10x26x8 Ball Bearings Single-row deep groove geometry for high speeds and supporting radial loads High-carbon chrome steel parts for increased wear and fatigue resistance C3 radial internal clearance for radial slack between the inner and outer rings is greater than CN (normal) to compensate for thermal expansion Pressed steel cage evenly spaces rollers for reduced friction, vibration, and noise Open bearing for lubrication applied in place