Sleeve bearings are often very inexpensive, compact, lightweight, and have a high load-carrying capacity.
Sleeve bearings are also known as bushings, bushing bearings, plain bearings, self-lubricating bearings, or journal bearings.
WHAT IS BEARING NUMBER MEANING?
Bearing number is made by numbers and codes, it represented type, size, cover, etc.
6204 Bearing Dimensions: More about 20 X 47 X 14mm
6204 bearing dimensions and basic information