Lawe nui nā bearings poepoe hohonu i ka haawe radial a me ka haawe axial haʻahaʻa.Me ka liʻiliʻi liʻiliʻi o ka friction, ka wikiwiki palena kiʻekiʻe, ka laulā nui a me ka hui pū ʻana o ka hale;kūpono lākou no ka tractor, nā kaʻa, nā kaʻa, nā kaʻa, a me nā mīkini maʻamau ʻē aʻe, ma ke ʻano he ʻano bearings i hoʻohana nui ʻia i ka ʻoihana mīkini.