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Tapered roller bearing
30260-XL Tapered roller bearing
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Main Dimensions & Performance Data
d
300 mm
D
540 mm
B
85 mm
C
71 mm
Cr
2020000 N
Cor
2440000 N
Cur
260000 N
Reference speed
750 rpm
Limiting speed
1550 rpm
Mounting dimensions
damax
345 mm
轴挡肩最大直径
r1,2min
7.5 mm
内圈背面倒角尺寸
r3,4min
6 mm
外圈背面倒角尺寸
dbmin
357 mm
轴挡肩最大直径
a
105 mm
压力锥顶距
Damin
492 mm
轴承座挡肩最小直径
d1
403.5 mm
内圈引导挡边直径
Damax
548 mm
轴承座挡肩最大直径
Dbmin
525 mm
轴承座挡肩最小直径
Camin
15 mm
最小轴向间距
Cbmin
29 mm
最小轴向间距
ramax
7.5 mm
轴最大圆角半径
rbmax
6 mm
轴承座最大圆角半径
Temperature range
Tmin
-30 °C
最低工作温度
Tmax
200 °C
最高工作温度
Calculation coefficient
e
0.35
Fa/Fr 对应不同X和Y系数
Y
1.74
轴向动载荷系数
Y0
0.96
轴向静载荷系数