... BearingTotalLengthL4(mm)StudP.C.DPilotHole DiameterPM-430251012S420×180φ1275×3/4"11"9.44"1850245950518445/10≈2130PM-432161012S420×1801506 ... manufacturer of semi trailers and trailer parts, such as1) fifth wheels (2" and 3.5"),2) king pins (2 ... of semi trailer axle are available, such as BPW type axle, American axle, inboard drum axle, outboard drum axle, Spoke axle(spider axle), concave axle, low ...