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I 滚珠轴承及滚柱轴承的技术条件 ( 按520-45) (一)T520-45所规定的所有主要类型的轴承具有下列各项之技术要求: (a)外形(加工质量)。 (b)磁性。 (c)延转畅通与否及嘈音。 (d)尺寸及延转精度。 (e)机械性质。 (f)耐久性及界限延转数。 (g)打印、涂油及包装。 (二)另外对520-45
I ball bearings and roller bearings technical conditions (by 520-45) (A) T520-45 provided for all the major types of bearings have the following technical requirements: (a) appearance (quality of processing). (b) Magnetic. (c) Continued smoothness and noisy. (d) Size and extension accuracy. (e) Mechanical properties. (f) Durability and limit extension. (g) Printing, oiling and packaging. (B) another pair of 520-45