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6311-2Z
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Technical Parameter
型号
两侧开式或闭式密封 6311-2Z 两侧开式或闭式密封
一侧闭式密封 6311-Z 一侧闭式密封
主要尺寸及数据
内径 55 mm d
外径 120 mm D
宽度 29 mm B
d1≈ 75.3 mm 挡肩直径
D2≈ 104 mm 凹槽直径
r1.2min 2 mm 倒角尺寸
m 1.4 kg 质量
安装尺寸
da min 66 mm 轴挡肩直径
da max 75 mm 轴挡肩直径
Da min 109 mm 座挡肩直径
ra max 2 mm 轴或座倒角半径
其他数据
Cr 77.81 kN 基本额定动载荷
Cor 47.25 kN 基本额定静载荷
Pur 2.00 kN 疲劳载荷极限
nB 12600 r/min 参考转速
nG 6615 r/min 极限转速
Kr 0.03 计算系数
fo 13 计算系数
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