1, radial hoʻomaʻemaʻe mea liʻiliʻi, centripetal angular pili pili hiki ke preloaded loaʻa preloaded ikaika e kāpae i ka hoʻomaʻemaʻe, kiʻekiʻe pololei o ka hana;

2. Ma lalo o nā kūlana maʻamau, ʻoi aku ka maikaʻi o nā bearings rolling e like me ka hydrodynamic lubricated bearings, akā ʻoi aku ka kiʻekiʻe ma mua o nā bearings hui ʻia;

3, no ka nui like o ke anawaena kumu, ʻoi aku ka liʻiliʻi o ka laula o ka ʻōwili wili ma mua o ka sliding bearing, hiki ke hoʻohālikelike i ke ʻano axial o ka mīkini;

4. Kiʻekiʻe kiʻekiʻe o ka standardization, batch production, emi lubricant hoʻohana, hoʻopaʻa maʻalahi, mālama maʻalahi, ʻaʻohe pono no ka metala non-ferrous pono a me ke kumu kūʻai haʻahaʻa.