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Tapered roller bearing
30217-A Tapered roller bearing
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Main Dimensions & Performance Data
d
85 mm
D
150 mm
B
28 mm
C
24 mm
Cr
178000 N
Cor
224000 N
Cur
25500 N
Reference speed
3250 rpm
Limiting speed
4850 rpm
Mounting dimensions
damax
89 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
90 mm
轴挡肩最大直径
a
35 mm
压力锥顶距
Damin
119 mm
轴承座挡肩最小直径
d1
114.6 mm
内圈引导挡边直径
Damax
130 mm
轴承座挡肩最大直径
Dbmin
135 mm
轴承座挡肩最小直径
Camin
7 mm
最小轴向间距
Cbmin
11 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
0.43
Fa/Fr 对应不同X和Y系数
Y
1.41
轴向动载荷系数
Y0
0.78
轴向静载荷系数