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Tapered roller bearing
30203-XL Tapered roller bearing
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Domax
®
Precision rolling bearings
Main Dimensions & Performance Data
d
17 mm
D
40 mm
B
12 mm
C
11 mm
Cr
22900 N
Cor
19000 N
Cur
2550 N
Reference speed
11800 rpm
Limiting speed
24400 rpm
Mounting dimensions
damax
447 mm
轴挡肩最大直径
r1,2min
5 mm
内圈背面倒角尺寸
r3,4min
4 mm
外圈背面倒角尺寸
dbmin
448 mm
轴挡肩最大直径
a
107 mm
压力锥顶距
Damin
514 mm
轴承座挡肩最小直径
d1
490 mm
内圈引导挡边直径
Damax
542 mm
轴承座挡肩最大直径
Dbmin
544 mm
轴承座挡肩最小直径
Camin
8 mm
最小轴向间距
Cbmin
15 mm
最小轴向间距
ramax
5 mm
轴最大圆角半径
rbmax
4 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
0.42
Fa/Fr 对应不同X和Y系数
Y
1.44
轴向动载荷系数
Y0
0.79
轴向静载荷系数