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Tapered roller bearing
31306-H Tapered roller bearing
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Domax
®
Precision rolling bearings
Main Dimensions & Performance Data
d
30 mm
D
72 mm
B
19 mm
C
14 mm
Cr
42800 N
Cor
46500 N
Cur
5400 N
Reference speed
6400 rpm
Limiting speed
8240 rpm
Mounting dimensions
damax
40 mm
轴挡肩最大直径
r1,2min
1.5 mm
内圈背面倒角尺寸
r3,4min
1.5 mm
外圈背面倒角尺寸
dbmin
37 mm
轴挡肩最大直径
a
24 mm
压力锥顶距
Damin
55 mm
轴承座挡肩最小直径
d1
54 mm
内圈引导挡边直径
Damax
65 mm
轴承座挡肩最大直径
Dbmin
68 mm
轴承座挡肩最小直径
Camin
3 mm
最小轴向间距
Cbmin
6.5 mm
最小轴向间距
ramax
1.5 mm
轴最大圆角半径
rbmax
1.5 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
0.83
Fa/Fr 对应不同X和Y系数
Y
0.73
轴向动载荷系数
Y0
0.4
轴向静载荷系数