Ho nepahala ha ho beleha ho na le ho nepahala le ho potoloha ho nepahala ha tekanyo e nepahetseng ke morero o ntseng o phahama holim'a li-shafts, o kenyelletsa bophara ba ka hare, bophara ba ka ntle, bophara, mamello ea boholo ba chamfer kapa boleng bo lumelitsoeng. kheloha, karolelano ea bophara ba bophara ba bophara bo kheloha sefofaneng se le seng sa radial.ho nepahala ha potoloho e potoloha Pendulum, ho kenyelletsa le lesale la ka hare le lesale la ka ntle la radial swing le axial runout, Lehlakoreng la lesale la ka hare le bophara ba bokantle ba perpendicularity tolerance range.Ho jara ho nepahala kereiti ho tloha sehlopheng se akaretsang. 0 ho 6, 5, grade 4 le grade 2, ka lehlakoreng le leng, ka tlase ke papiso ea tafole pakeng tsa sehlopha sa preeision sa china GB 307 le maemo a mang a nepahetseng.Giant bearing precision grade e tsoa ho grade 6, 5, 4 le 2 ea lihlopha tse 'nè. 

Lesale la ka ntle 11, selikalikoe sa ka hare 12, le bolo 13 tse nang le likarolo tse 0.95 kapa ho feta le 1.10 mass% kapa ka tlaase ho carbon, 0.05 mass% kapa ho feta le ka tlase ho 0.3 mass% silicon, 0.10 mass% kapa ho feta le 0.50 mass% 11 A ea kantle ho ring raceways le 12 A ea ka hare ring raceways e leng bokaholimo bo nang le tšepe e nang le manganese e latelang, 1.30 mass% kapa ho feta, le 2.00 mass% kapa ka tlase, 'me e na le tšepe eo e na le tšepe e setseng le litšila, le ho kopana le likarolo tse ling. 'Me karolelano ea naetrojene sebakeng sa 11B, 12B, le 13B e leng libaka tse ka hare ho botebo ba 20 μm ho tloha holim'a bolo ea 13A ke 0.2% ka boima kapa ho feta le 0.7% ka boima kapa ka tlaase ho moo. lera libaka 11B, 12B, 13B, 5 kapa ho feta carbides le bophara ba 0.5 micrometer kapa ka tlaase ho teng ka 100 micrometer.