Word: Needle Bearing
Definition: A needle bearing is a type of bearing that contains small, thin metal cylinders called needles. These needles help reduce friction between moving parts in machines, making them work more smoothly.
Usage Instructions: - Part of Speech: Noun - Countability: It is a countable noun (you can have one needle bearing or many needle bearings). - Context: Needle bearings are commonly used in machinery, automotive applications, and various mechanical devices.
Example Sentence: "The mechanic replaced the old needle bearings in the engine to improve its performance."
Advanced Usage: In engineering and mechanics, needle bearings are often chosen for applications where space is limited because they can be designed to be very compact while still providing excellent load capacity.
Word Variants: - Needle Bearing (singular) - Needle Bearings (plural)
Different Meaning:While "needle" can refer to a sharp, pointed instrument used for sewing or injections, in this context, it specifically refers to the small cylindrical shapes used in bearings.
Synonyms: - Roller bearing (though this is a broader category and not all roller bearings are needle bearings) - Friction bearing (general term for devices that reduce friction)
Idioms and Phrasal Verbs:There are no commonly used idioms or phrasal verbs that include "needle bearing," as it is a technical term specific to mechanics and engineering.
Summary: A needle bearing is a specialized component that helps machines run more efficiently by reducing friction.