Bearing (Bɛriw) danfara

Biriw bɛ tila fɔlɔ ka kɛ kulu naani ye: biriki wulilenw, biriki gansanw, biriki minnu bɛ ɲɔgɔn sɔrɔ kɛrɛfɛ, ani birikiw minnu bɛ ɲɔgɔn sɔrɔ u yɛrɛ ma. Rolling bearings bɛ baara kɛ ni rolling elements ye (i n’a fɔ rollers ani steel balls) walasa ka dɔ bɔ sɔgɔsɔgɔninjɛ la ani u bɛnnen don kosɛbɛ-teliya, caman-doni baarakɛcogo ma. Misali la, bololanɛgɛ minnu ka dun (minnu teliya bɛ se 20.000 ma miniti kɔnɔ) olu bɛ kɛ mobili motɛriw kɔnɔ, ka sɔrɔ jirisunba sɔgɔlenw (ni doni hakɛ cayara 30%) bɛnnen don masin girinmanw ma. Biriki gansanw bɛ dilan ni fɛnw ye minnu tɛ ɲɔgɔn sɔsɔ kosɛbɛ- (i n’a fɔ nɛgɛmafɛnw ni politetrafluoroethylene). Graphite bololanɛgɛ birikiw bɛ funteni-mugu (baarakɛ funteni min ka dɔgɔ ni degere 500 ye walima a bɛ bɛn degere 500 ma ). Biriki jilama-lubriki bɛ se ka ultra-low friction (coefficient de friction < 0,001) sɔrɔ tulu filimu kɛli fɛ, o b’a to u bɛnnen don minɛn tigitigiw ma. Kɛrɛnkɛrɛnnenya la, birikiw bɛ se ka doni radiyali ni axiale fila bɛɛ muɲu (contact angles de 15 degré -40℃) ani u bɛ baara kɛ kosɛbɛ masinw ka spindles kɔnɔ. Yɛrɛ-bololanɛgɛw bɛ ni yɛrɛlabɛn baarakɛcogo ye (ni deflection compensation angle ye 2℃-3℃ye ) wa u bɛnnen don sigidaw ma minnu bɛ yɛrɛyɛrɛ i n’a fɔ minɛnko masinw.