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Tapered roller bearing
30303-A Tapered roller bearing
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Main Dimensions & Performance Data
d
17 mm
D
47 mm
B
14 mm
C
12 mm
Cr
27500 N
Cor
24800 N
Cur
2650 N
Reference speed
10900 rpm
Limiting speed
17600 rpm
Mounting dimensions
damax
23 mm
轴挡肩最大直径
r1,2min
1 mm
内圈背面倒角尺寸
r3,4min
1 mm
外圈背面倒角尺寸
dbmin
23 mm
轴挡肩最大直径
a
10 mm
压力锥顶距
Damin
34 mm
轴承座挡肩最小直径
d1
29.8 mm
内圈引导挡边直径
Damax
34 mm
轴承座挡肩最大直径
Dbmin
37 mm
轴承座挡肩最小直径
Camin
2 mm
最小轴向间距
Cbmin
2 mm
最小轴向间距
ramax
1 mm
轴最大圆角半径
rbmax
1 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
1.74
轴向动载荷系数
Y0
0.96
轴向静载荷系数