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Self aligning ball bearing
QJ311-XL-MPA Four point contact ball bearing
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View structure diagram
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Domax
®
Precision rolling bearings
Main Dimensions & Performance Data
d
55 mm
D
120 mm
B
29 mm
Cr
133000 N
Cor
108000 N
Cur
8100 N
Reference speed
5000 rpm
Limiting speed
11400 rpm
Mounting dimensions
damin
66 mm
轴挡肩最小直径
rmin
2 mm
最小倒角尺寸
D1
97.8 mm
内圈档边直径
Damax
109 mm
轴承座挡肩最大直径
d1
77.2 mm
内圈档边直径
ramax
2 mm
最大凹穴半径
a
61 mm
压力锥顶距
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