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Tapered roller bearing
30208-H Tapered roller bearing
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Domax
®
Precision rolling bearings
Main Dimensions & Performance Data
d
40 mm
D
80 mm
B
18 mm
C
16 mm
Cr
58000 N
Cor
67000 N
Cur
7800 N
Reference speed
5900 rpm
Limiting speed
7680 rpm
Mounting dimensions
damax
42 mm
轴挡肩最大直径
r1,2min
1.5 mm
内圈背面倒角尺寸
r3,4min
1.5 mm
外圈背面倒角尺寸
dbmin
42 mm
轴挡肩最大直径
a
18 mm
压力锥顶距
Damin
61 mm
轴承座挡肩最小直径
d1
54.3 mm
内圈引导挡边直径
Damax
65 mm
轴承座挡肩最大直径
Dbmin
68 mm
轴承座挡肩最小直径
Camin
5 mm
最小轴向间距
Cbmin
6 mm
最小轴向间距
ramax
1.5 mm
轴最大圆角半径
rbmax
1.5 mm
轴承座最大圆角半径
Temperature range
Tmin
-30 °C
最低工作温度
Tmax
120 °C
最高工作温度
Calculation coefficient
e
0.35
Fa/Fr 对应不同X和Y系数
Y
1.7
轴向动载荷系数
Y0
0.93
轴向静载荷系数