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Tapered roller bearing
30220-A Tapered roller bearing
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Main Dimensions & Performance Data
d
100 mm
D
180 mm
B
34 mm
C
29 mm
Cr
250000 N
Cor
325000 N
Cur
36500 N
Reference speed
2850 rpm
Limiting speed
4000 rpm
Mounting dimensions
damax
108 mm
轴挡肩最大直径
r1,2min
4 mm
内圈背面倒角尺寸
r3,4min
4 mm
外圈背面倒角尺寸
dbmin
119 mm
轴挡肩最大直径
a
61 mm
压力锥顶距
Damin
138 mm
轴承座挡肩最小直径
d1
142.4 mm
内圈引导挡边直径
Damax
164 mm
轴承座挡肩最大直径
Dbmin
172 mm
轴承座挡肩最小直径
Camin
7 mm
最小轴向间距
Cbmin
16 mm
最小轴向间距
ramax
4 mm
轴最大圆角半径
rbmax
4 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
0.87
Fa/Fr 对应不同X和Y系数
Y
0.69
轴向动载荷系数
Y0
0.38
轴向静载荷系数