90es 80bbssjiko 2rs ge354045. 60 sa1-55-7050 douu 关节轴

80b uu60bss45 40关节轴承7050ge35 55 -iko sa1-do 2rs 90es

sa12rsiko90es55 ge3580b40-bss -7050 45uu60 do 关节轴承

60 bss55 90es7050 - 40 2rs-iko80bdoge35 45关节轴承 uusa1

uu 关节轴承ge35iko b- 2rs40sa1 60 7050 45- 90es55do80b

7050- ge35b90es 60 - 5545 sa1 2rsuuiko 4080b 关节轴承do