Ua koho ʻia a hoʻopaʻa ʻia ʻo ke kila pōleʻa maʻamau me ke kalapona a me ka chromium e kū i ke kaomi ikaika ma waena o ka mea ʻōwili a me nā apo apo.
ʻO ka carbonitriding ma nā apo i loko a me waho kahi kaʻina hana paʻakikī no ka nui o nā mea hoʻolako pōleʻa TPI.Ma o kēia hoʻomaʻamaʻa wela kūikawā, hoʻonui ʻia ka paʻakikī ma ka ʻili raceway;e hoemi ana i ka aahu e like me ia.
Loaʻa ke kila Ultra-maʻemaʻe i loko o kekahi o nā TPI maʻamau o nā bearings 'product series i kēia manawa, ʻoi aku ka nui o ka ʻaʻahu-kū'ē i loaʻa e like me ia.No ka mea ʻo ka luhi hoʻopili ke kumu pinepine ʻia e nā hoʻopili non-metallic paʻakikī, pono nā bearings i kēia mau lā i nā pae o ka maʻemaʻe.