Types of Bearings and Their Characteristics

What is the purpose of a bearing?

• To support the shaft and guide its rotational movement

• To transfer load from the shaft to the frame

• To reduce friction in machinery

• To connect different parts of a machine

Which type of bearing can withstand radial load and two directions of alternating axial load?

• Thrust ball bearings

• Tapered roller bearings

• Deep groove ball bearings

• Cylindrical roller bearings

What are the characteristics of deep groove ball bearings?

• Can only withstand unidirectional axial loads

• Round table-shaped rollers and tapered raceway

• Large bearing capacity and ability to withstand heavy loads

• Simple structure, low friction coefficient, and high speed

Which type of bearing has a large radial load capacity and can withstand heavy loads and shock loads?

• Deep groove ball bearings

• Thrust ball bearings

• Cylindrical roller bearings

• Tapered roller bearings

What is the main advantage of magnetic bearings over traditional bearings?

• No mechanical contact and high operating speeds

• Smooth and noiseless working

• Separation by lubricating oil and reduced friction loss

• Ability to withstand axial load

Which type of bearing is suitable for low-speed working occasions and has a large axial load capacity?

• Deep groove ball bearings

• Thrust roller bearings

• Cylindrical roller bearings

• Tapered roller bearings

What is the main advantage of plain bearings?

• Smooth, reliable, and noiseless working

• Separation by lubricating oil and reduced friction loss

• Ability to withstand heavy combined radial and axial loads

• No mechanical contact and low energy consumption

Which type of bearing is suitable for high-speed working occasions?

• Cylindrical roller bearings

• Tapered roller bearings

• Deep groove ball bearings

• Thrust ball bearings

What is the main advantage of needle roller bearings?

• Smooth and noiseless working

• Small radial size and high radial bearing capacity

• No mechanical contact and low energy consumption

• Ability to withstand heavy combined radial and axial loads

Which factor should be considered when choosing a bearing for a machine tool spindle?

• Rigidity

• Accuracy

• Rotating speed

• Load