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Tapered roller bearing
32009-X-XL Tapered roller bearing
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Main Dimensions & Performance Data
d
45 mm
D
75 mm
B
20 mm
C
15.5 mm
Cr
72000 N
Cor
86000 N
Cur
13500 N
Reference speed
5400 rpm
Limiting speed
11400 rpm
Mounting dimensions
damax
51 mm
轴挡肩最大直径
r1,2min
1 mm
内圈背面倒角尺寸
r3,4min
1 mm
外圈背面倒角尺寸
dbmin
51 mm
轴挡肩最大直径
a
17 mm
压力锥顶距
Damin
67 mm
轴承座挡肩最小直径
d1
62.2 mm
内圈引导挡边直径
Damax
69 mm
轴承座挡肩最大直径
Dbmin
72 mm
轴承座挡肩最小直径
Camin
4 mm
最小轴向间距
Cbmin
4.5 mm
最小轴向间距
ramax
1 mm
轴最大圆角半径
rbmax
1 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
0.39
Fa/Fr 对应不同X和Y系数
Y
1.53
轴向动载荷系数
Y0
0.84
轴向静载荷系数