Antifriction Bearing Lubricant Functions

What is one of the main functions of the lubricant in a sealed, grease type antifriction bearing?

a) wear reduction

b) sealing

c) shock absorption

d) cooling

e) surface separation

Answer:

The main function of the lubricant in a sealed, grease type antifriction bearing is a) wear reduction and d) cooling.

Explanation:

The main function of the lubricant in a sealed, grease type antifriction bearing is wear reduction. The lubricant forms a protective film between the rolling elements and the raceways, reducing friction and wear. This helps to prolong the lifespan of the bearing and prevent damage.

Additionally, the lubricant also provides cooling as it absorbs and dissipates heat generated during operation. This helps to maintain the temperature of the bearing within a suitable range, avoiding overheating which could cause failure.

Overall, the lubricant plays a crucial role in improving the performance and durability of antifriction bearings by reducing wear and providing cooling.