... bearings can only withstand a direction of axial load, two-way thrust ball bearings can withstand axial load in both directions ... the axial displacement of the direction of the shell, two-way bearings can be restricted in both directions of the axial ... your orderbrandWZA, SKF, KOYO, NACHI, OR mark as your requirementtechnologyadvanced technology, the original qualitybearing type N, NU, NJ, NF, NUP, ...