Pump NDE and DE bearing difference of Temperature

[TQM]

Dears;

We're in commissiong pump.

the NDE bearing temperature is : 84 °C

      DE bearing temperature is : 73° C

Couldyou advise the normal temperaure range for bearing and what's could be the root casie for this difference.

Thank you.

[chandrakant mohikar]

Factors affecting bearing & temperature 

1. Type of pump & or bearing - hydrodynamic etc

2. Dry & or critical speed

3. Wearing of parts like, rings, bushing, seal face, gaskets etc

4. Oil mist lube 

5. Overhungness of pmp

6. Alignment of pmp etc

7. Type / schedule of lubricant (grease or L. O. Grade

8. Running hours

9. Duration , change interval of L.O. 

10. D. E. / NDE load 

11. Damaged elements related to bearing, housing, lube etc

Regards

Chandrakant Mohikar 

(EPCC Project & Operations. Rtd)

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