Mpempe ụdị MB sppherical roller bearing, mgbanaka dị n'ime nwere ọnụ njigide etiti, obere oghere n'akụkụ abụọ, ihe mejupụtara oghere ọla abụọ siri ike, ntụzịaka mgbanaka ime.
MA ụdị ihe mkpuchi okirikiri okirikiri, mgbanaka ime ya nwere ihu n'etiti, obere oghere n'akụkụ abụọ, ihe mejupụtara oghere ọla abụọ siri ike, ntụzịaka mgbanaka mpụta.