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Tapered roller bearing
320/28-X Tapered roller bearing
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Domax
®
Precision rolling bearings
Main Dimensions & Performance Data
d
28 mm
D
52 mm
B
16 mm
C
12 mm
Cr
34000 N
Cor
40500 N
Cur
4600 N
Reference speed
8400 rpm
Limiting speed
14200 rpm
Mounting dimensions
damax
30 mm
轴挡肩最大直径
r1,2min
1 mm
内圈背面倒角尺寸
r3,4min
1 mm
外圈背面倒角尺寸
dbmin
31 mm
轴挡肩最大直径
a
14 mm
压力锥顶距
Damin
43 mm
轴承座挡肩最小直径
d1
40.6 mm
内圈引导挡边直径
Damax
46 mm
轴承座挡肩最大直径
Dbmin
49 mm
轴承座挡肩最小直径
Camin
4 mm
最小轴向间距
Cbmin
4 mm
最小轴向间距
ramax
1 mm
轴最大圆角半径
rbmax
1 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
0.35
Fa/Fr 对应不同X和Y系数
Y
1.71
轴向动载荷系数
Y0
0.94
轴向静载荷系数