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Tapered roller bearing
30320-A Tapered roller bearing
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Domax
®
Precision rolling bearings
Main Dimensions & Performance Data
d
100 mm
D
215 mm
B
47 mm
C
39 mm
Cr
410000 N
Cor
500000 N
Cur
64000 N
Reference speed
2750 rpm
Limiting speed
3400 rpm
Mounting dimensions
damax
116 mm
轴挡肩最大直径
r1,2min
3 mm
内圈背面倒角尺寸
r3,4min
2.5 mm
外圈背面倒角尺寸
dbmin
112 mm
轴挡肩最大直径
a
36 mm
压力锥顶距
Damin
157 mm
轴承座挡肩最小直径
d1
138.4 mm
内圈引导挡边直径
Damax
168 mm
轴承座挡肩最大直径
Dbmin
168 mm
轴承座挡肩最小直径
Camin
5 mm
最小轴向间距
Cbmin
8 mm
最小轴向间距
ramax
3 mm
轴最大圆角半径
rbmax
2.5 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
0.42
Fa/Fr 对应不同X和Y系数
Y
1.43
轴向动载荷系数
Y0
0.79
轴向静载荷系数