Advantages and Disadvantages of Rolling Contact Bearings Over Sliding Contact Bearings

Advantages and Disadvantages of Rolling Contact Bearings Over Sliding Contact Bearings Points : Advantages and Disadvantages of Rolling Contact Bearings Over Sliding Contact Bearings Advantages

1. Small cost of maintenance, as no lubrication is necessary as in service.
2. Low initial and operation friction excluding at extremely high speeds.
3. Accurateness of shaft alignment.
4. Capability to resist passing shock loads.
5. Dependability of service.
6. Easy to rise and erect.
7. Small general dimensions.
8. Cleanliness.

Disadvantages

1. More loud at extremely high speeds.
2. Design of bearing housing difficult.
3. Low resistance to shock loading.
4. Additional initial cost.