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

Answer Posted / 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.

Is This Answer Correct ?    0 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Explain how do you determine what suction pressure should be in r22 air conditioning compressors suction line?

654


What is blower? Partlist of blower.

1585


Distinguish between the shear center and elastic center.

839


What is forced convection?

807


CAN SOMEONE GIVE ME THE LINE DIAGRAM OF A VAPOUR ABSORPTION SYSTEM (VAM)(AIRCONDITIONING)AND A 600 TON CENTRICUGAL AIRCONDITIONING PLANT.

1795






List two effects of manganese in plain carbon steels?

656


i need rrb chennai JE mechanical last 2 year question papers Plz send me on this email id aaasaravanan@gmail.com

1895


What are considerations taken into account while creating a piston head?

768


have a clutchless car or bike clutch for power transmission???

1793


What is the temperature at which diesel normally boils?

796


HOW CAN WE MEASURE THE L SHAPE SURFACE OF THE MOMENT OF INERTIA AND SECTION MODULUS

1467


Name the safety devices of diesel engine?

1595


Pl. brief me about geometrical test & positional accuracy of machine tool.

1687


how to prepare for bhel et interview

3221


For which parts the wahl factor and lewis form factor used ?

904