INA 圆柱滑动套 ZGB 免维护,依据 ISO 4379 标准 d mm D mm B mm ZGB30X36X30 30 36 30 ZGB35X41X30 35 41 30 ZGB40X48X40 40 48 40 ZGB45X53X40 45 53 40 ZGB50X58X50 50 58 50 ZGB60X70X60 60 70 60 ZGB70X80X70 70 80 70 ZGB80X90X80 80 90 80 ZGB90X105X80 90 105 80 ZGB100X115X100 100 115 100 ZGB110X125X100 110 125 100 ZGB120X135X120 120 135 120 ZGB140X155X150 140 155 150 ZGB160X180X150 160 180 150 ZGB180X200X180 180 200 180 ZGB200X220X180 200 220 180 d mm D mm B mm