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2t Dexter Bearings
The term axle profile describes the machined part or shinny part of an axle.
Axle machining begins at the thread end and finished on the rear square shoulder.
The ATM (Aggregate Trailer Mass) of a trailer is determined by
- Spring Rating
- Axle Rating
- Bearing Rating
Where the lowest rating of any of the above components signifies the trailer ATM.
- Weight of the bare trailer
- Weight of the payload
- Jockey Wheel Weight
Changing the lowest common denominator above changes the trailer ATM.