Full ceramic bearing with diamagnetic electrically insulating, wear resistance and corrosion resistance, not self lubricating, high temperature resistance, cold and other characteristics, can be used in extremely harsh environment and special conditions. Features: This ball be aring is made of high quality ceramic ZrO2 and PTFE material, features high precision, high speed, and wear small. Small frictional resistance, low power consumption, high mechanical efficiency. This is a sealed ball bearing, with good dustproof effect. With the characteristic of high stability, high reliability. Standardization size, used for machinery manufacturing, equipment installation and maintenance. Specifications: Material: PTFE, Ceramic ZrO2 Model: 6001-2RS Sealed dustproof form: 2RS Inner diameter: 12mm / 0.5inch Outside diameter: 28 mm / 1.1inch Thickness: 8mm / 0.3inch Quantity: 2pcs Color: White Rolling column number: Single Raceway type: Deep groove raceway Weight: Approx. 38g Package Included: 2 x ZrO2 Ball Bearing