Another trailer question, I'm afraid and it is with regards to bearings.... sorry.
I have an SBS trailer with sealed bearings. They claim,
"4.3 Wheel bearing
The wheel bearing is a double-row inclined ball
bearing. It has the following advantages over normal
No adjustment necessary.
Easy to maintain (lubricated for life and sealed).
Protected against dirt ingress (sealed unit).
Less sensitive to seizure than a taper roller
All trailers from 2007 onwards are fitted with
Are they really lubricated for life and are they really waterproof?
If this is the case, do they ever need to be changed?
"By skill not force."