MA and MB spherical roller bearings are professional heavy‑duty models designed for high‑frequency vibration and continuous high‑temperature working conditions. Ordinary CA and CC bearings are easy to fatigue failure on vibrating screening equipment.

The service life of spherical roller bearings mainly depends on cage structure suffixes rather than basic model numbers. Bearings with the same basic size but different CA and CC suffixes share identical mounting dimensions but completely different internal stability and shock resistance.