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7304 BECBP
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Technical Parameter
型号
主要尺寸及数据
d 20 mm 内径
D 52 mm 外径
B 15 mm 宽度
d1≈ 33.1 mm 挡肩直径
d2≈ 26.7 mm 挡肩直径
D1、D2 ≈ 40.5 mm 挡肩直径
D5≈ - 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 22.8 mm 侧面到压力点的距离
m 0.14 kg 质量
安装尺寸
da min 27 mm 轴挡肩尺寸
da max - mm 轴挡肩尺寸
Da max 45 mm 座挡肩尺寸
Db max 47.8 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 19.95 kN 基本额定载荷动态
Cor 10.5 kN 基本额定载荷静态
Pur 0.45 kN 疲劳载荷极限
nB 17850 r/min 参考转速
nG 18900 r/min 极限转速
A 0.0091 计算系数
Kr 0.1 计算系数
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于 2024-10-22 日从 http://www.sdkmr.com/ 生成
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