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Tapered roller bearing
30228-XL Tapered roller bearing
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Domax
®
Precision rolling bearings
Main Dimensions & Performance Data
d
140 mm
D
250 mm
B
42 mm
C
36 mm
Cr
490000 N
Cor
560000 N
Cur
76000 N
Reference speed
2040 rpm
Limiting speed
3450 rpm
Mounting dimensions
damax
146 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
144 mm
轴挡肩最大直径
a
56 mm
压力锥顶距
Damin
193 mm
轴承座挡肩最小直径
d1
175.2 mm
内圈引导挡边直径
Damax
216 mm
轴承座挡肩最大直径
Dbmin
219 mm
轴承座挡肩最小直径
Camin
7 mm
最小轴向间距
Cbmin
13.5 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
200 °C
最高工作温度
Calculation coefficient
e
0.43
Fa/Fr 对应不同X和Y系数
Y
1.38
轴向动载荷系数
Y0
0.76
轴向静载荷系数