The SX series is a basic type of crossed cylindrical roller bearings. The size of the inner and outer rings is miniaturized to a small extent. The outer ring is of two halves and the two outer figures are fixed by a radial coupling ring. The inner ring is The body design is suitable for parts.
https://www.yogiemachinery.com/bearing/crossed-roller-bearing/sx-series-cross-cylindrical-roller-bearings.html