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Self aligning ball bearing
QJ312-XL-N2-MPA Four point contact ball bearing
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Domax
®
Precision rolling bearings
Main Dimensions & Performance Data
d
60 mm
D
130 mm
B
31 mm
Cr
152000 N
Cor
126000 N
Cur
9200 N
Limiting speed
10400 rpm
Mounting dimensions
damin
72 mm
轴挡肩最小直径
rmin
2.1 mm
最小倒角尺寸
D1
106.9 mm
内圈档边直径
Damax
118 mm
轴承座挡肩最大直径
d1
84.2 mm
内圈档边直径
ramax
2.1 mm
最大凹穴半径
a
67 mm
压力锥顶距
an
8.1 mm
定位槽高度
bn
6.5 mm
定位槽宽度
rn
1 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