Bearing Difference between ZZ and 2RS

If bearing has same model number then its dimentions are same.

The difference between ZZ and 2RS bearings:

1. ZZ Bearings (Metal Shielded Bearings):

   • ZZ stands for double metal shield.
   • These bearings have metal shields on both sides.
   • The metal shields do not make direct contact with the inner ring of the bearing.
   • They primarily block larger contaminants (such as dust and debris) from entering the bearing.
   • ZZ bearings provide moderate sealing against solid particles.
   • They are suitable when you need protection without significant friction.

2. 2RS Bearings (Rubber Sealed Bearings):

   • 2RS stands for double rubber seal.
   • These bearings have rubber seals on both sides.
   • The rubber seals create a tight bond with the inner ring of the bearing.
   • They effectively seal against both solid contaminants and liquids.
   • 2RS bearings provide better protection in contaminated environments.