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 :7917A5
DB :7917DB
DF :7917DF
DT :7917DT
Principal dimensions(mm)
d :85
D :120
B :18
r(min) :1.1
r1(min) :0.6
Basic load ratings(N)
Cr :36500
Cor :38500
Basic load ratings(kgf)
Cr :3750
Cor :3900
Value
fo :16.5
Limiting Speed (rpm)
Grease :6700
Oil :9000
Distance of action point(mm)
a :32.9
Abutment and fillet dimensions
da(min) :92
Da(max) :113
ra(max) :1
Weight
(kg) :0.541
Basic load ratings(duplex bearing) (N)
Cr :59500
Cor :77000
Basic load ratings(duplex bearing) (kgf)
Cr :6100
Cor :7850
Limiting Speed(duplex bearing) (rpm)
Grease :5300
Oil :7500
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :65.8
face-to-face arrangement :29.8
Installation dimensions(duplex bearing)
db(min) :-
Db(max) :115
rb(max) :0.6