好疼太大了太粗太长了视频丨男女做爽爽爽网站丨久久国产成人精品国产成人亚洲丨折磨小男生性器羞耻的故事丨国产成人一区二区精品视频丨2021最新国产在线人成丨二区三区丨狠狠躁夜夜躁人人爽天天天天丨国产精品swag丨欧美成人二区丨长河落日电视连续剧免费观看01丨精品九九九九九丨丁香六月综合激情丨大香伊在人线免97丨天天干伊人丨亚洲成av人片在www鸭子丨久久精品欧美日韩丨免费不卡毛片丨亚洲天堂网一区二区丨亚洲一区91

25-year production experience

d:
D:
B:
7300 Series

7300 Series

Dimension and Parameters

Bearing Numbers
Single row :7308B
DB :7308DB
DF :7308DF
DT :7308DT
Principal dimensions(mm)
d :40
D :90
B :23
r(min) :1.5
r1(min) :1
Basic load ratings(N)
Cr :45000
Cor :30500
Basic load ratings(kgf)
Cr :4550
Cor :3100
Value
fo :14.5
Limiting Speed (rpm)
Grease :6300
Oil :8500
Distance of action point(mm)
a :38.8
Abutment and fillet dimensions
da(min) :49
Da(max) :81
ra(max) :1.5
Weight
(kg) :0.648
Basic load ratings(duplex bearing) (N)
Cr :73000
Cor :60500
Basic load ratings(duplex bearing) (kgf)
Cr :7400
Cor :6200
Limiting Speed(duplex bearing) (rpm)
Grease :5000
Oil :6700
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :77.5
face-to-face arrangement :31.5
Installation dimensions(duplex bearing)
db(min) :46
Db(max) :84
rb(max) :1