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Self aligning ball bearing
QJ230-N2-MPA-C3 Four point contact ball bearing
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Main Dimensions & Performance Data
d
150 mm
D
270 mm
B
45 mm
Cr
350000 N
Cor
485000 N
Cur
18900 N
Limiting speed
4350 rpm
Mounting dimensions
damin
164 mm
轴挡肩最小直径
rmin
3 mm
最小倒角尺寸
D1
226.7 mm
内圈档边直径
Damax
256 mm
轴承座挡肩最大直径
d1
193.8 mm
内圈档边直径
ramax
2.5 mm
最大凹穴半径
a
147 mm
压力锥顶距
an
11.7 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