S689 Bearing

Size: length*width*height 9*17*4 (mm), the size can be customized according to customer needs.

Material: stainless steel 304, stainless steel 420, stainless steel 440, stainless steel 316, the material can be customized according to customer needs.

Neutral salt spray certification for 260 hours.

Ball bearing salt spray certification test is tested in accordance with ISO 9227 standards

Due to the difference in manufacturing precision and material uniformity, even the same batch of bearings of the same material and size are used under the same working conditions, and their service life is not the same. If the statistical life is 1 unit, the longest relative life is 4 units, the shortest is 0.1-0.2 units, and the ratio of the longest to the shortest life is 20-40 times. 90% of the bearings do not produce pitting, and the number of revolutions or hours experienced is called the bearing rating life

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