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Tapered roller bearing
31320-X-XL Tapered roller bearing
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Main Dimensions & Performance Data
d
100 mm
D
215 mm
B
51 mm
C
35 mm
Cr
450000 N
Cor
480000 N
Cur
67000 N
Reference speed
2550 rpm
Limiting speed
3850 rpm
Mounting dimensions
damax
121 mm
轴挡肩最大直径
r1,2min
4 mm
内圈背面倒角尺寸
r3,4min
3 mm
外圈背面倒角尺寸
dbmin
114 mm
轴挡肩最大直径
a
68 mm
压力锥顶距
Damin
168 mm
轴承座挡肩最小直径
d1
159.5 mm
内圈引导挡边直径
Damax
201 mm
轴承座挡肩最大直径
Dbmin
202 mm
轴承座挡肩最小直径
Camin
7 mm
最小轴向间距
Cbmin
21.5 mm
最小轴向间距
ramax
4 mm
轴最大圆角半径
rbmax
3 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