Biriniw sugandili minnu bɛnnen don jiginni teliya la-, o bɛ tali kɛ desizɔn caman ta-ta la. Fɔlɔ, biriki suguya ka kan ka latigɛ ka da a kɛcogo kɛrɛnkɛrɛnnen kan ani doni cogoya kan. Misali la, bololanɛgɛ minnu ka dun, n’u jɔcogo nɔgɔman n’u ka sɔgɔsɔgɔninjɛ hakɛ dɔgɔman, olu bɛ kɛ ka caya -teliya caman wulicogo la ni doni minnu ka nɔgɔn kosɛbɛ. O ni ɲɔgɔn cɛ, angle contact ball bearings bɛ se ka doni radiyali ni axiale minɛ waati kelen na, o b’a to u ka ɲi kosɛbɛ-teliya baarakɛcogo la minnu bɛ axial fanga nafamaw minɛ.
Filanan, fɛnw sugandili fana nafa ka bon o cogo kelen na. Fɛn minnu bɛ baara kɛ kosɛbɛ i n’a fɔ nɛgɛ min bɛ baara kɛ ni teliya ye -, olu bɛ sɛgɛnbaliya kunbɛncogo ɲuman di, sɛgɛn fanga, ani funteni sabatili, o bɛ kɛ sababu ye ka baara kɛ cogo basigilen na teliyaba-teliya ni funteni caman -funteni cogoyaw la. Seramiki fɛnw, minnu nafa ka bon u ka density dɔgɔyali la, u ka gɛlɛn kosɛbɛ, ani u ka sɔgɔsɔgɔninjɛ kunbɛncogo ɲuman na, olu fana ka di kosɛbɛ biriki teliyaba-biriki baarakɛcogo la.
Precision grade ye ko wɛrɛ ye min tɛ se ka fɔ ka ban. Biriki minnu bɛ se kosɛbɛ-, minnu bɛ sɔrɔ masinw dilanni ni sɛgɛsɛgɛli kɛcogo ɲuman fɛ, olu bɛ wuli ka wuli ka ɲɛ, ka dɔ bɔ ɲɔgɔnkanu ni fanga ta la, o la, birikiw ka baara waati janya.
Tumu kɛcogo sugandili fana nafa ka bon o cogo kelen na. Ni aw ye tulu walima tulu bɛnnen sugandi ka da biriki baarakɛyɔrɔ kan ani a jiginni teliya kan, o bɛ dɔ bɔ kosɛbɛ sɔgɔsɔgɔninjɛ la, ka sɛgɛn dɔgɔya, ani ka jiginni nafa bonya.
A laban na, biriki doni cogoya ka kan ka jateminɛ. A nafa ka bon ka a lajɛ ko biriki sugandilen bɛ se ka baarakɛ doni yɛrɛ muɲu walasa ka tiɲɛni bali min bɛ sɔrɔ doni tɛmɛnen fɛ. Kuma surun na, birikiw sugandili minnu bɛnnen don jiginni teliya la -, o bɛ fɛn caman jateminɛ kosɛbɛ, i n’a fɔ birikiw suguya, fɛn dilannenw, u kɛcogo tigitigi, tulu kɛcogo, ani doni cogoyaw.
