苍井优三级在线观看,欧美又粗又硬又爽直播大片,精品深夜AV无码一区二区老年,麻豆AV一区二区三区,日韩一区精品视频一区二区,人妻丰满精品一区二区A片,国产女人18毛片水真多1,肉乳乱无码A片观看免费,人妻熟女一区二区AV,乱肉YIN荡系列合集TXT

四列圓錐滾子軸承

四列圓錐滾子軸承

規格與參數

Bearing No. :77740
Boundary dimensions（mm）
d :200
D :310
B :200
T :200
r min :3
r1 min :2.5
Basic load ratings(kN)
Dynamic(Cr) :1970
Static(Cor) :1520
Mass
Kg :55.6