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Self aligning ball bearing
QJ1048-MPA Four point contact ball bearing
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Main Dimensions & Performance Data
d
240 mm
D
360 mm
B
56 mm
Cr
450000 N
Cor
790000 N
Cur
25500 N
Limiting speed
3050 rpm
Mounting dimensions
damin
252 mm
轴挡肩最小直径
rmin
3 mm
最小倒角尺寸
D1
319.6 mm
内圈档边直径
Damax
348 mm
轴承座挡肩最大直径
d1
282.25 mm
内圈档边直径
ramax
2.5 mm
最大凹穴半径
a
210 mm
压力锥顶距
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