Sleeve Bearings

Some articles on bearing, sleeve bearings, sleeves:

System Fan - Physical Characteristics
... The type of bearing used in a fan can affect its performance and noise ... computer fans use one of the following bearing types Sleeve bearings use two surfaces lubricated with oil or grease as a friction contact ... They often use porous sintered sleeves to be self-lubricating, requiring only infrequent maintenance or replacement ...

Famous quotes containing the word bearings:

    One year, I’d completely lost my bearings trying to follow potty training instruction from a psychiatric expert. I was stuck on step on, which stated without an atom of irony: “Before you begin, remove all stubbornness from the child.” . . . I knew it only could have been written by someone whose suit coat was still spotless at the end of the day, not someone who had any hands-on experience with an actual two-year-old.
    Mary Kay Blakely (20th century)