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New type can reduce the burden of environmentally friendly roller bearings

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Ntn has developed an “environmentally friendly roller bearing” that uses degradable materials for the holder, seals and lubricants; the sample has been supplied at the beginning. The operating temperature range is -30 to +70 °C; the limit is dmn35. Wan; the basic performance is roughly the same as the original universal bearing.
The holder and the seal are made of polyester biodegradable resin (pbs: aliphatic glycolic acid polyester); the strength and heat resistance required as a component are improved. It can not only be differentiated by microorganisms in the soil; The biodegradation rate of compost in accordance with iso14851 specification can reach more than 60%. It meets the requirement of the certification mark “green plastic mark” issued to biodegradable plastics. Others; no harmful nox and sox will occur during incineration.
On the other hand, the lubricating oil is based on the ester-based oil; the biodegradation rate of 60% or more is achieved according to the oecd301c specification. It is compatible with the biodegradable materials other than plastics or the certification mark issued by the products using such materials. "The demand. In the abandonment and outdoor use; even if the oil leaks, it will not pollute the soil.

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