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Self aligning ball bearing
QJ307-XL-MPA Four point contact ball bearing
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View structure diagram
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Domax
®
Precision rolling bearings
Main Dimensions & Performance Data
d
35 mm
D
80 mm
B
21 mm
Cr
61000 N
Cor
46500 N
Cur
3200 N
Reference speed
7200 rpm
Limiting speed
17900 rpm
Mounting dimensions
damin
44 mm
轴挡肩最小直径
rmin
1.5 mm
最小倒角尺寸
D1
64.8 mm
内圈档边直径
Damax
71 mm
轴承座挡肩最大直径
d1
50.8 mm
内圈档边直径
ramax
1.5 mm
最大凹穴半径
a
41 mm
压力锥顶距
α
35 °
接触角
Temperature range
Tmin
-30 °C
最低工作温度
Tmax
150 °C
最高工作温度