What is a bearing?
Q: What is a bearing?
A: A bearing is a device that allows fixed direction motion between two parts, usually rotation or linear movement.
Q: How are bearings categorized based on their functionality?
A: Bearings are broadly categorized based on the way they function, with the most common ones being plain bearings and rolling-element bearings.
Q: What are ball bearings?
A: Ball bearings are a type of rolling-element bearing where the rolling elements are spherical balls.
Q: What are roller bearings?
A: Roller bearings are a type of rolling-element bearing where the rolling elements are cylindrical, taper or spherical rollers.
Q: What are the two main types of rolling-element bearings?
A: The two main types of rolling-element bearings are ball bearings and roller bearings.
Q: How do plain bearings differ from rolling-element bearings?
A: Plain bearings are a type of bearing that uses a sliding motion rather than rolling elements, whereas rolling-element bearings use rolling elements to enable fixed direction motion.
Q: Which type of bearing is shown in the pictures?
A: The pictures show ball bearings.
