Barina mbir yu mëna indi jafe-jafe ci dundu bearing bi, lu ci melni xeetam, dayo bi, macceer bi, anam wi ñuy lubrifie ak barab bi ñu koy liggéeyloo. Roulement yu am kalite bu kawe dañuy yàgg suñu nekkee ci anam wu jaar yoon, waaye ay valeur yu amul benn werante jafe nañu ko méngale. Roulement rouleau yi ñoo baax ci aplikaasioŋ yu am sarge bu rëy (kàttan sarge bu gëna rëy), waaye roulement à bille ñoo baax ci aplikaasioŋ yu am gaawaay bu rëy, yu néew sarge. Roulement yu gëna mag ñoo gëna gudd fan. Traitement thermique bu asiye alloy bu baax dafay yokk dëgëraay bi (HRC 58-62) ak baña yàqu, suko defee mu gëna gudd fan. Xeetu lubrication lu am solo la ci dundu. Lubrication bu baax dafay wàññi friksioŋ (koefisieŋu friksioŋ<0.0015) and lowers temperature rise (<80°C). Harsh environments (such as high temperatures >120°C and high humidity >80% RH) mën na wàññi dundu gi bu baax.
Generator bearings require high load capacity (dynamic load >50kN) ak baña yàqu, ak tëjug (IP65) ngir musal ko ci pënd ak ndox. Toppatoo saa yu nekk (xool lubrication bi 500 waxtu yu nekk) ak tann roulement yu baax (lu melni produit yu am sertifikaa ISO 9001) mën na yokk àppu bi.