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7209BECBY
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Technical Parameter
型号
主要尺寸及数据
d 45 mm 内径
D 85 mm 外径
B 19 mm 宽度
d1≈ 60.8 mm 挡肩直径
d2≈ 52.6 mm 挡肩直径
D1、D2 ≈ 70.2 mm 挡肩直径
r1.2 min 1.1 mm 倒角尺寸
r3.4 min 0.6 mm 倒角尺寸
α 37 mm 侧面到压力点的距离
m 0.42 kg 质量
安装尺寸
da min 52 mm 轴挡肩尺寸
Da max 78 mm 座挡肩尺寸
Db max 80 mm 座挡肩尺寸
ra max 1 mm 轴倒角半径
rb max 0.6 mm 座倒角半径
其他数据
Cr 42 kN 基本额定载荷动态
Cor 32.03 kN 基本额定载荷静态
Pur 1.35 kN 疲劳载荷极限
nB 9975 r/min 参考转速
nG 10500 r/min 极限转速
A 0.0128 计算系数
Kr 0.095 计算系数
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于 2024-10-22 日从 http://www.sdkmr.com/ 生成
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