国产女精品视频网站免费蜜芽丨亚洲欧洲无码专区av丨91在线勾搭足浴店女技师丨日本精品久久久久久久丨久久婷婷亚洲丨久久精品人妻一区二区蜜桃丨精品人妻无码一区二区三区蜜桃一丨亚洲综合p丨性做爰裸体按摩视频丨国产又粗又猛又黄视频丨一区二区视频网丨国产三级视频丨亚洲精品无码久久一线丨日本福利视频一区丨国产妞干网丨在线视频午夜丨伊人888丨一级国产精品一级国产精品片丨超清中文乱码字幕在线观看丨在线播放www丨99re国产丨在线天堂www中文丨久久久久久亚洲av毛片大全丨国产精品99久久久久久猫咪丨国产成人亚洲精品无码青

25-year production experience

d:
D:
B:
7900 Series

7900 Series

Dimension and Parameters

Bearing Numbers
Single row :7910A5
DB :7910DB
DF :7910DF
DT :7910DT
Principal dimensions(mm)
d :50
D :72
B :12
r(min) :0.6
r1(min) :0.3
Basic load ratings(N)
Cr :15900
Cor :14200
Basic load ratings(kgf)
Cr :1630
Cor :1450
Value
fo :16.4
Limiting Speed (rpm)
Grease :11000
Oil :15000
Distance of action point(mm)
a :20.2
Abutment and fillet dimensions
da(min) :55
Da(max) :67
ra(max) :0.6
Weight
(kg) :0.132
Basic load ratings(duplex bearing) (N)
Cr :25900
Cor :28400
Basic load ratings(duplex bearing) (kgf)
Cr :2640
Cor :2900
Limiting Speed(duplex bearing) (rpm)
Grease :9000
Oil :12000
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :40.5
face-to-face arrangement :16.5
Installation dimensions(duplex bearing)
db(min) :-
Db(max) :69.5
rb(max) :0.3