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Tapered roller bearing
32909-H Tapered roller bearing
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Domax
®
Precision rolling bearings
Main Dimensions & Performance Data
d
45 mm
D
68 mm
B
15 mm
C
12 mm
Cr
32800 N
Cor
52000 N
Cur
5800 N
Reference speed
5500 rpm
Limiting speed
8480 rpm
Mounting dimensions
damax
51 mm
轴挡肩最大直径
r1,2min
0.5 mm
内圈背面倒角尺寸
r3,4min
0.8 mm
外圈背面倒角尺寸
dbmin
55 mm
轴挡肩最大直径
a
18 mm
压力锥顶距
Damin
74 mm
轴承座挡肩最小直径
d1
65.3 mm
内圈引导挡边直径
Damax
77 mm
轴承座挡肩最大直径
Dbmin
77 mm
轴承座挡肩最小直径
Camin
4.5 mm
最小轴向间距
Cbmin
5 mm
最小轴向间距
ramax
0.5 mm
轴最大圆角半径
rbmax
0.8 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
0.33
Fa/Fr 对应不同X和Y系数
Y
1.79
轴向动载荷系数
Y0
0.99
轴向静载荷系数