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Tapered roller bearing
30209-H Tapered roller bearing
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Domax
®
Precision rolling bearings
Main Dimensions & Performance Data
d
45 mm
D
85 mm
B
19 mm
C
16 mm
Cr
66500 N
Cor
82000 N
Cur
9800 N
Reference speed
5400 rpm
Limiting speed
7040 rpm
Mounting dimensions
damax
46 mm
轴挡肩最大直径
r1,2min
1 mm
内圈背面倒角尺寸
D1
64.4 mm
沟直径
dbmin
46 mm
轴挡肩最大直径
ramax
1 mm
轴最大圆角半径
m/2
0.75 mm
槽宽
a
16 mm
压力锥顶距
Dn
69.5 mm
沟直径
u
0.03 mm
内圈相对外圈突出量
Dn
0.19 mm
偏差上限
Dn
0 mm
偏差下限
u
0.05 mm
偏差上限
u
0 mm
偏差下限
Temperature range
Tmin
-30 °C
最低工作温度
Tmax
110 °C
最高工作温度
Calculation coefficient
e
0.37
Fa/Fr 对应不同X和Y系数
Y
1.6
轴向动载荷系数
Y0
0.88
轴向静载荷系数