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618/850MA
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Technical Parameter
型号
两侧开式或闭式密封 618/850MA 两侧开式或闭式密封
主要尺寸及数据
内径 850 mm d
外径 1030 mm D
宽度 82 mm B
d1≈ 907 mm 挡肩直径
D1≈ 972 mm 挡肩直径
r1.2min 5 mm 倒角尺寸
m 140 kg 质量
安装尺寸
da min 868 mm 轴挡肩直径
Da min 1012 mm 座挡肩直径
ra max 4 mm 轴或座倒角半径
其他数据
Cr 586.95 kN 基本额定动载荷
Cor 1501.50 kN 基本额定静载荷
Pur 20.58 kN 疲劳载荷极限
nB 997.5 r/min 参考转速
nG 787.5 r/min 极限转速
Kr 0.015 计算系数
fo 17 计算系数
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