kaype, it's actually called an airflon bearing.
NOTE:
The noise is because there is not sufficient lubrication in the shock absorber.This condition does not have an effect on safety. If it is not possible to do the lubrication procedure immediately (because there is not sufficient time or equipment),do it at the first opportunity.
The noise is because there is not sufficient lubrication in the shock absorber:-The shock absorber is almost full of oil.
If it is not possible to do the lubrication procedure immediately (because there is not sufficient time or equipment),do it at the first opportunity.
How much equipment does it take to squirt about a half to a litre of mil-prf-5606 into a hole at the rear of the NLG.