Water Pump Bearings

Water Pump Bearings are used in different type of water pumps that are used in automotive, engineering equipment, automobile, electromotive tools and others. Water pump bearing is an extremely important component for the smooth functioning of motors in pump. Bearings in general protect machinery or tools from frictional force. In the absence of bearings machinery or parts of machinery may experience hastened wear and tear, and sub-optimal performance.

In motors used for pumping water, the bearing is used at the end pump impeller shaft. In general, the bearing endures the exertion put upon impeller shaft due to operation of belt drive system. In most of such case, water pump bearing dons a double of preventing the stress on motors as well as working as a seal to prevent leakage of coolant from the water pump housing. If the water pump bearing is deteriorating or damaging it will make a squealing sound or a sound coming as a result of friction between two parts.

The bearing used in water pumps is a sealed bearing. It allows the component to store the coolant inside engine and prevent it from trickling or leaking out through the bearing. Such bearings are designed to function at very high speed for prolonged periods. Water Pump Bearings generally work in a very challenging environment and endure the stress created by the fast moving impeller.

Types of Water Pump Bearing

There are mainly two types of water pump bearing: ‘Ball to Ball’ water pump bearing and ‘Ball to Roller’ water pump bearing. Let’s take a look below:

Ball to Ball type – The ball to ball type consist of only balls. It design features a seal, ball, cage, shaft, wire keyway and outer ring. In the centre of the bearing and outside the surface of outer ring, the wire keyway is affixed for preventing the pump bearing from coming off or dislocating from the casing of the bearing. This type of bearing provides greater radial load. This is particularly critical as it supports either a fan or a comparatively high off-set belt load.

Ball to Roller type – Ball to Roller water pump bearing comprises all the similar parts, such as in ball to ball type but has an additional component – roller row identification groove. This type is designed for bearing less radial load than the ball to ball type.

Advantages of Water Pump Bearing

Water pump bearing is an important part of motor pumps for the protection of impeller shaft from frictional force. There are several advantages of water pump bearing that are as listed below:

The bearing protects impeller shaft from damage or wear and tear

• Ensure smooth functioning of motor pump
• Excellent load bearing capacity
• Designed to work at high speed
• Prevent leakage of coolant in the motor
• Suitable for working under harsh conditions 

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