Q-1-what type of bearing used in system? Q2-MEANING OF BEARING SPECIFICATION-ZZ

Q-1-what type of bearing used in system?
Q2-MEANING OF BEARING SPECIFICATION-ZZ, C3,RS 2Z ZZNR

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Q-1-what type of bearing used in system? Q2-MEANING OF BEARING SPECIFICATION-ZZ, C3,RS 2Z ZZNR..

Answer / abhigyan

ZZ means "double side shielded bearing with metal". It is same as 2Z.
C3 is the clearance greater than normal.
RS is rubber seal used for shielding purpose.

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