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Self aligning ball bearing
QJ238-N2-MPA Four point contact ball bearing
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Main Dimensions & Performance Data
d
190 mm
D
340 mm
B
55 mm
Cr
460000 N
Cor
740000 N
Cur
25000 N
Limiting speed
3400 rpm
Mounting dimensions
damin
207 mm
轴挡肩最小直径
rmin
4 mm
最小倒角尺寸
D1
286.3 mm
内圈档边直径
Damax
323 mm
轴承座挡肩最大直径
d1
245.8 mm
内圈档边直径
ramax
3 mm
最大凹穴半径
a
186 mm
压力锥顶距
an
12.7 mm
定位槽高度
bn
10.5 mm
定位槽宽度
rn
2 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