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Tapered roller bearing
31314-H Tapered roller bearing
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Domax
®
Precision rolling bearings
Main Dimensions & Performance Data
d
70 mm
D
150 mm
B
35 mm
C
25 mm
Cr
178000 N
Cor
219000 N
Cur
26500 N
Reference speed
3450 rpm
Limiting speed
3760 rpm
Mounting dimensions
damax
89 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
82 mm
轴挡肩最大直径
a
30 mm
压力锥顶距
Damin
130 mm
轴承座挡肩最小直径
d1
109.3 mm
内圈引导挡边直径
Damax
138 mm
轴承座挡肩最大直径
Dbmin
140 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
0.35
Fa/Fr 对应不同X和Y系数
Y
1.74
轴向动载荷系数
Y0
0.96
轴向静载荷系数