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Tapered roller bearing
30302-A Tapered roller bearing
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Main Dimensions & Performance Data
d
15 mm
D
42 mm
B
13 mm
C
11 mm
Cr
23000 N
Cor
20500 N
Cur
2160 N
Reference speed
12100 rpm
Limiting speed
19800 rpm
Mounting dimensions
damax
20 mm
轴挡肩最大直径
r1,2min
0.6 mm
内圈背面倒角尺寸
r3,4min
0.6 mm
外圈背面倒角尺寸
dbmin
19 mm
轴挡肩最大直径
a
9 mm
压力锥顶距
Damin
29 mm
轴承座挡肩最小直径
d1
26.4 mm
内圈引导挡边直径
Damax
29 mm
轴承座挡肩最大直径
Dbmin
32 mm
轴承座挡肩最小直径
Camin
2 mm
最小轴向间距
Cbmin
1.5 mm
最小轴向间距
ramax
0.6 mm
轴最大圆角半径
rbmax
0.6 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
1.73
轴向动载荷系数
Y0
0.95
轴向静载荷系数