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Self aligning ball bearing
QJ221-N2-MPA Four point contact ball bearing
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Main Dimensions & Performance Data
d
105 mm
D
190 mm
B
36 mm
Cr
233000 N
Cor
255000 N
Cur
12000 N
Limiting speed
6200 rpm
Mounting dimensions
damin
117 mm
轴挡肩最小直径
rmin
2.1 mm
最小倒角尺寸
D1
161.6 mm
内圈档边直径
Damax
178 mm
轴承座挡肩最大直径
d1
134.8 mm
内圈档边直径
ramax
2.1 mm
最大凹穴半径
a
103 mm
压力锥顶距
an
10.1 mm
定位槽高度
bn
8.5 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
150 °C
最高工作温度