S639 Bearing

Size: length*width*height 9*30*10 (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

R&D and innovation capabilities are low. The basic theoretical research of the whole industry is weak, the participation in the formulation of international standards is weak, there are few original technologies, and few patented products.

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