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Self aligning ball bearing
QJ1252-MPA Four point contact ball bearing
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Main Dimensions & Performance Data
d
260 mm
D
480 mm
B
90 mm
Cr
760000 N
Cor
1480000 N
Cur
43500 N
Limiting speed
2360 rpm
Mounting dimensions
damin
280 mm
轴挡肩最小直径
rmin
5 mm
最小倒角尺寸
D1
398.2 mm
内圈档边直径
Damax
460 mm
轴承座挡肩最大直径
d1
342.25 mm
内圈档边直径
ramax
4 mm
最大凹穴半径
a
740 mm
压力锥顶距
α
45 °
接触角
Temperature range
Tmin
-30 °C
最低工作温度
Tmax
200 °C
最高工作温度