Miniature Ball Bearings Small Seal Micro Mini 1/2/3/4/5/6/7/8/9~12mm Inner Dia
Thickness: 1mm 2mm 2.5mm 3mm 4mm 6mm 7mm 8mm 9mm 10mm 11mm 12mm. Long lasting performance and robustness. 3，Characteristics: Low friction and high-speed capability, can accommodate radial and axial loads in both directions.