乱大交做爰xxxⅹ性-四虎影视永久在线精品-国产欧美亚洲精品第一区软件-91美女啪啪-天堂在/线资源中文在线8-鲁丝片一区二区三区免费-嫩草www-爱爱视频网站-成人污在线观看-一区二区av在线-一区二区三区欧美在线-视频二区丝袜国产欧美日韩-国产群p视频-亚洲乱码av中文一区二区软件-丁香婷婷激情俺也去俺来也-免费国产黄网站在线看-草草草在线观看-亚洲另类激情综合偷自拍图-色六月婷婷亚洲婷婷六月-六月婷婷啪啪

25-year production experience

d:
D:
B:
7900 Series

7900 Series

Dimension and Parameters

Bearing Numbers
Single row :7905A5
DB :7905DB
DF :7905DF
DT :7905DT
Principal dimensions(mm)
d :25
D :42
B :9
r(min) :0.3
r1(min) :0.15
Basic load ratings(N)
Cr :7450
Cor :5150
Basic load ratings(kgf)
Cr :760
Cor :525
Value
fo :15.6
Limiting Speed (rpm)
Grease :20000
Oil :28000
Distance of action point(mm)
a :12.3
Abutment and fillet dimensions
da(min) :27.5
Da(max) :39.5
ra(max) :0.3
Weight
(kg) :0.043
Basic load ratings(duplex bearing) (N)
Cr :12100
Cor :10300
Basic load ratings(duplex bearing) (kgf)
Cr :1230
Cor :1050
Limiting Speed(duplex bearing) (rpm)
Grease :16000
Oil :22000
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :24.6
face-to-face arrangement :6.6
Installation dimensions(duplex bearing)
db(min) :-
Db(max) :40.8
rb(max) :0.15