How to maintain the sealed needle bearing?

Maintain sealed needle bearing:

Maintenance of metal sealed needle bearing:
Lubrication and friction: The sealed needle bearing is filled with anti-corrosion oil. If grease is used for lubrication, first use kerosene or organic solvent to remove the anti-corrosion oil, and then add grease after it is air-dried. (It is recommended to use lithium soap grease with viscosity marked No.2.)

If oil is used to lubricate the sealed needle bearing, it is not necessary to remove the anti-corrosion oil. According to the temperature change, the lubricating oil of ISO viscosity grade VG15-100 can be used. The shaft lubrication can be oiled from the oil supply pipe or from the oil hole on the outer bearing seat. Oil. Since the sealing ring will scrape off the lubricating oil, oil lubrication is not suitable for non-porous sealed needle bearing bearings.

Maintenance of plastic sealed needle bearing: Since the sliding film in the plastic sealed needle bearing is made of self-lubricating plastic, it does not require additional oil supply and maintenance during use; and because the plastic sealed needle bearing has a chip groove, Therefore, even if the bearing or shaft is full of dust, there is no need to maintain it. The dust will automatically be taken out of the chip groove during the movement; only when the sliding film wears out, the internal sliding film can be replaced directly; the maintenance is very convenient.

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