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本标准适用于各种机械中一般用途的内径0.8～60mm的粉末冶金筒形轴承(以下简称轴承)。 1 轴承型式按下图规定。倒角允许按图中(a)或(b)制造。
This standard applies to all kinds of mechanical general purpose diameter 0.8 ~ 60mm powder metallurgy cylindrical bearings (hereinafter referred to as bearings). 1 bearing type as specified in the figure below. Chamfering is allowed as shown in (a) or (b).