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Tapered roller bearing
30318-A Tapered roller bearing
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Domax
®
Precision rolling bearings
Main Dimensions & Performance Data
d
90 mm
D
190 mm
B
43 mm
C
36 mm
Cr
330000 N
Cor
395000 N
Cur
44500 N
Reference speed
3050 rpm
Limiting speed
3850 rpm
Mounting dimensions
damax
103 mm
轴挡肩最大直径
r1,2min
2.5 mm
内圈背面倒角尺寸
r3,4min
2 mm
外圈背面倒角尺寸
dbmin
100 mm
轴挡肩最大直径
a
32 mm
压力锥顶距
Damin
140 mm
轴承座挡肩最小直径
d1
124.3 mm
内圈引导挡边直径
Damax
150 mm
轴承座挡肩最大直径
Dbmin
150 mm
轴承座挡肩最小直径
Camin
5 mm
最小轴向间距
Cbmin
6.5 mm
最小轴向间距
ramax
2.5 mm
轴最大圆角半径
rbmax
2 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