Because the ring is in the shape of a cushion, thrust ball bearings are divided into two types: flat base cushion type and self-aligning ...
Sababtoo ah siddooyinku waxay u eg yihiin barkimmo, saa'idka kubbadda riixdu waxay u qaybsan tahay laba nooc: nooca barkinta sagxadda hoose iyo is-waafajinta nooca barkin-goobeedka.