Bearings: Self lubricating, built in wiper seals, Frelon teflon coated available.

轴承：自润滑，密封在雨刮，黄蜂聚四氟乙烯涂层可建成。

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The test results showed that the SPF self lubricating beringshave superior in some performances to DU bearings.

试验结果表明SPF复合自润滑滑动轴承的某些性能已超过DU轴承。

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Thee pilar equipped with self-lubricating system doesnneed any hand lubrication, the machine usage life hence is improved.

立柱配有自润滑系统，不需人工加油，提高了机器的使用寿命。

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With the help of a machinist, and using a formula he concocted for a stiff, self-lubricating plastic, Fenelon built a crude prototype of the gear and found that the torque required to push the window was half of what the old design required.

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