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Technical Parameter
型号
两侧开式或闭式密封 628 两侧开式或闭式密封
主要尺寸及数据
内径 8 mm d
外径 24 mm D
宽度 8 mm B
d1≈ 14.4 mm 挡肩直径
D2≈ 21.2 mm 凹槽直径
r1.2min 0.3 mm 倒角尺寸
m 0.018 kg 质量
安装尺寸
da min 10.4 mm 轴挡肩直径
Da min 21.6 mm 座挡肩直径
ra max 0.3 mm 轴或座倒角半径
其他数据
Cr 4.10 kN 基本额定动载荷
Cor 1.74 kN 基本额定静载荷
Pur 0.07 kN 疲劳载荷极限
nB 66150 r/min 参考转速
nG 42000 r/min 极限转速
Kr 0.025 计算系数
fo 13 计算系数
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