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Tapered roller bearing
30321-XL Tapered roller bearing
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Domax
®
Precision rolling bearings
Main Dimensions & Performance Data
d
105 mm
D
225 mm
B
49 mm
C
41 mm
Cr
530000 N
Cor
560000 N
Cur
78000 N
Reference speed
2550 rpm
Limiting speed
3950 rpm
Mounting dimensions
damax
112 mm
轴挡肩最大直径
r1,2min
3 mm
内圈背面倒角尺寸
r3,4min
2.5 mm
外圈背面倒角尺寸
dbmin
112 mm
轴挡肩最大直径
a
46 mm
压力锥顶距
Damin
151 mm
轴承座挡肩最小直径
d1
138.8 mm
内圈引导挡边直径
Damax
168 mm
轴承座挡肩最大直径
Dbmin
172 mm
轴承座挡肩最小直径
Camin
10 mm
最小轴向间距
Cbmin
15 mm
最小轴向间距
ramax
3 mm
轴最大圆角半径
rbmax
2.5 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
0.4
Fa/Fr 对应不同X和Y系数
Y
1.48
轴向动载荷系数
Y0
0.82
轴向静载荷系数