servo bearings
02-10-2010, 02:44 PM
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servo bearings
I have picked up some used Futaba s148 servos. Looking up thier specs tells me they have "oilite bearings", which I believe are not Ball bearing. Do servos with these "oilite bearings" need periodic oiling??
02-10-2010, 02:50 PM
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RE: servo bearings
No. from Wikipedia:
Oilite is formed using powder metallurgy so that tiny pores are present in the metal. The pores are then vacuum impregnated with an oil to improve the materials bearing ability.[2] The material holds approximately 20% oil by volume.[3] The most common lubricant is SAE 30 oil.[4]
The material they are made of is porous, and holds oil. I've never known them to dry up in typical applications.
Oilite is formed using powder metallurgy so that tiny pores are present in the metal. The pores are then vacuum impregnated with an oil to improve the materials bearing ability.[2] The material holds approximately 20% oil by volume.[3] The most common lubricant is SAE 30 oil.[4]
The material they are made of is porous, and holds oil. I've never known them to dry up in typical applications.
02-10-2010, 03:20 PM
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RE: servo bearings
Very good answer. Being used, I would open up the top (geartrain) and look for any missing teeth. At that time you can relocate the servo grease back on the gears. With a T pin. They throw the grease off to the voids over time. Any time I re-use a servo into the next airframe, I always do this for peice of mind.
Enjoy the flying season ahead, -Snuts-
Enjoy the flying season ahead, -Snuts-
