Arie, there is a metal cup that bolts on with the (brake) backing plate. This directs any oil that leaks from the seal, out through the "tell tale" hole in the back plate. I would pack the bearings with grease (not oil) The outer seal will stop diff oil from mixing with the grease in the hub (wheel) bearings.
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Bluebell
Carrier Armoured O.P. No1 Mk3 W. T84991
Carrier Bren No2.Mk.I. NewZealand Railways. NZR.6.
Dodge WC55. 37mm Gun Motor Carriage M6
Jeep Mb #135668
So many questions....
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