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Self aligning ball bearing
QJ260-N2-MPA Four point contact ball bearing
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Main Dimensions & Performance Data
d
300 mm
D
540 mm
B
85 mm
Cr
920000 N
Cor
1940000 N
Cur
53000 N
Limiting speed
2050 rpm
Mounting dimensions
damin
320 mm
轴挡肩最小直径
rmin
5 mm
最小倒角尺寸
D1
455.8 mm
内圈档边直径
Damax
520 mm
轴承座挡肩最大直径
d1
387.3 mm
内圈档边直径
ramax
4 mm
最大凹穴半径
a
294 mm
压力锥顶距
an
20 mm
定位槽高度
bn
15.5 mm
定位槽宽度
rn
3 mm
定位槽半径
45 °
角定位槽
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