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Tapered roller bearing
30238-XL Tapered roller bearing
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Domax
®
Precision rolling bearings
Main Dimensions & Performance Data
d
190 mm
D
340 mm
B
55 mm
C
46 mm
Cr
800000 N
Cor
930000 N
Cur
115000 N
Reference speed
1390 rpm
Limiting speed
2490 rpm
Mounting dimensions
damax
102 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
115 mm
轴挡肩最大直径
a
58 mm
压力锥顶距
Damin
134 mm
轴承座挡肩最小直径
d1
137.3 mm
内圈引导挡边直径
Damax
161 mm
轴承座挡肩最大直径
Dbmin
167 mm
轴承座挡肩最小直径
Camin
7 mm
最小轴向间距
Cbmin
15 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
0.83
Fa/Fr 对应不同X和Y系数
Y
0.72
轴向动载荷系数
Y0
0.4
轴向静载荷系数