EN CN
Home / Services / Pump Encyclopedia / Pump Knowledge / Causes of overheating of multistage pump bearings

Causes of overheating of multistage pump bearings

13 Jun 2019Email

Causes of overheating of multistage pump bearings

1. The multi-stage pump shaft and the motor shaft are out of size when installing or inspecting, causing the bearing to overheat due to vibration.

2. The bearing is damaged, the rotating parts wear and cause vibration to make the bearing overheat.

3. The filler ages, scratching the bushing and generating overheating affects the bearing.

4. Bearing grease lubricant does not match. Too much or too much will cause the bearing to overheat.

5. Bearing transparent oil lubricant added too little or leakage, the bearing should also be overheated.

6. The lubricant in the oil tank deteriorates or enters the water, which can also overheat the bearing.

7. The bearing cooling water is not enough or interrupted, causing the bearing to overheat.

8. Multi-stage pump generates cavitation to make the pump body, bearing overheating, etc.

Related Pump Knowledge
More Pump Knowledge
07 Oct 2026
     In coking plant production, the high-pressure ammonia water circulating pump serves as a core environmental protection equipment. Though it appea...
Read more
30 Sep 2026
     For vertical long-shaft seawater turbine pumps, why do some quotations range from tens of thousands while others exceed one hundred thousand or e...
Read more
18 Sep 2026
     Corrosion-resistant multi-stage centrifugal pumps are common equipment in salt chemical engineering and brine extraction operation...
Read more
11 Sep 2026
      In fluid transport operations within the chemical industry, horizontal chemical pumps serve as the most widely used core equipment. Many enginee...
Read more
Related Products
More
Split Case Pump
Split Case Pump
  • Capacity:60-33005m³/h
  • Head:0.95-30.2bar
  • Price:$2200-215000
Double Suction Pump
Double Suction Pump
  • Capacity:60-33005m³/h
  • Head:0.95-30.2bar
  • Price:$2200-215000
Single Stage Chemical Pump
Single Stage Chemical Pump
  • Capacity:5.5-2600m³/h
  • Head:1.6-25bar
  • Price:$4300-37000
End Suction Chemical Pump
End Suction Chemical Pump
  • Capacity:5.5~400m³/h
  • Head:0.42-12.5bar
  • Price:$560-9800
Need More Information?
Contact us for more details about our pump, solutions and services.
Contact ZB
Tel
0086 731 88192011
Email
Chat online
Leave a message
Name*
Tel
Email*
Area
Products
Split Case Pump
Metallurgy
Mining Industry
Urban Water Supply
Petrochemical
Light Industry
Electricity
Chemical Industry
Farmland Irrigation
Other
Provide your comments and questions.