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Self aligning ball bearing
QJ1072-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
360 mm
D
540 mm
B
82 mm
Cr
780000 N
Cor
1730000 N
Cur
45000 N
Limiting speed
1980 rpm
Mounting dimensions
damin
378 mm
轴挡肩最小直径
rmin
5 mm
最小倒角尺寸
D1
477 mm
内圈档边直径
Damax
522 mm
轴承座挡肩最大直径
d1
423.8 mm
内圈档边直径
ramax
4 mm
最大凹穴半径
a
315 mm
压力锥顶距
α
35 °
接触角
Temperature range
Tmin
-30 °C
最低工作温度
Tmax
200 °C
最高工作温度