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307-2Z
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Technical Parameter
型号
轴承不带止动环 307-2Z 轴承不带止动环
带止动环 307-2ZNR 带止动环
止动环 SP80 止动环
主要尺寸及数据
D 80 mm 外径
B 21 mm 宽度
d1≈ 49.5 挡边直径
D2≈ 69.2 凹槽直径
D3 76.81 止动槽直径
D4 86.6 止动环外径
b 1.9 止动环槽宽度
f 1.7 止动环宽度
C 3.28 外圈侧面到止动槽间的距离
r1,2min 1.5 倒角尺寸
r0max 0.6 止动槽底部半径
m 0.48 g 质量
安装尺寸
damin 44 mm 轴挡肩直径
damax 49.4 mm 轴挡肩直径
Damax 71 mm 轴承座挡肩直径
Dbmin 88 mm 轴承座内的止动槽直径
bamin 2.2 mm 轴承座内的止动槽宽度
Camax 4.98 mm 外圈侧面到止动槽背面之间的距离
ramax 1.5 mm 轴或轴承座倒角半径
其他数据
Cr 35.0 kN 基本额定动载荷
Cor 26.9 kN 基本额定静载荷
Pur 1.13 kN 疲劳载荷极限
nB 16200 r/min 参考转速
nG 7700 r/min 极限转速
kr 0.05 计算系数
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于 2024-10-22 日从 http://www.sdkmr.com/ 生成
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