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本标准适用于各种机械中一般用途的内径1～60mm的粉末冶金带挡边筒形轴承(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,挡边根部允许按图中(c)、(d)或(e)制造。
This standard applies to all kinds of mechanical general purpose diameter 1 ~ 60mm powder metallurgy with ribbed cylindrical bearings (hereinafter referred to as bearings). 1. Bearing type according to the figure specified. Chamfering allowed to be made in accordance with (a) or (b) of the figure, with the root of the rib permitted to be made as shown in (c), (d) or (e).