ZYS Precision Bearing,Bearing Test Machine,Rolling mill bearing

Precision bearings according to ISO grading standards are divided into: P0, P6, P5, P4, P2. Rank higher in turn, where P0 is the general accuracy, other grades are precision level. Of course, different classification standards, different types of bearings, their classification method somewhat different, but the meaning is to the. The use of performance requirements of precision bearings rotating body with high runout accuracy, high-speed rotation and small changes in friction and friction.

2013年7月26日星期五

National product quality supervision and spot checks bearing inspection work norms (QC supervisor letter [2011] No. 89)

The relevant quality inspection agencies:
To further enhance product quality supervision and spot checks bearing inspection agency guidance and management, our company in the original "on the national product quality supervision and inspection of the relevant requirements" (2006), based on the modified formulation of the "national product quality supervision order inspection agency work norms "is issued implementation.

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journal bearing

2013年7月26日星期五

National product quality supervision and spot checks bearing inspection work norms (QC supervisor letter [2011] No. 89)

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