Contents Foreword	 1	Scope	 2	Normative references	 3	Terms and definitions	 4	Group code	 5	Measurement and assessment method	 6	Technical requirements	 7	Inspection rules	 Annex A  (Normative) Measurement Method for Vibration (Velocity) of Deep Groove Ball Bearings	 Annex B  (Normative) Measurement Method for Radial Run-out and Axial Run-out of Mandrel	 Annex C  (Normative) Measurement Method for Foundation Vibration of Testing Device	
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