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#1
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Sounds simple enough if things aren't seized up. There is two bearing assemblies per wheel? And to clarify, there are three different types, but they are the same dimensions so they can be used on any carrier, so long as they are in pairs? I ask because my carrier seems to have a mishmash of parts and not having to worry about this would certainly make things easier. Also, does anyone have an SKF or other modern brand of bearing part number that would work in the carrier?
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#2
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If your bearing is marked 1408, then the current number is 6408 (6000 series anular grooved metric bearing) The inner one of the adjustable bogie has a 50mm bore, the rest are all 40mm bore. Width (of all) =27mm O.D.=110mm.(all)
These bearings go into the wheel against a shoulder, with a spacer between the inner races. To knock them out, as has been described, support the wheel so that the components can fall onto rag , paper etc. Select a suitable punch, look inside the bearings, and push the spacer to one side. This gives you an edge of the inner race that you can hammer against. I find you can chase them out quite easily. In the older ones there is a tin shield against the bearing. Further out is a seal carrier. this holds a seal (cork) which runs on a seal track. If you mark the spacer to the wheel, it will help you with the assembly. The axle which goes through each assembly locks the fork arms, seal tracks,bearing inner races, and the spacer, up as one assembly when the nut is tightened. I have recently removed a few thrust type bearings from my early carrier. They are R & M bearings, and marked "4HJT40" I have not seen them before. There is a different seal assembly used in the MkIII carriers. It may be similar to your T16.( I have never seen a T16.) Kevin Powes did a modification, so that he could use a much cheaper bearing. Check with him. Note; This all relates to a Univesal carrier. You will have to measure up to check that yours is the same dimensions.
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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.... Last edited by Lynn Eades; 07-05-11 at 22:58. Reason: Add the note |
#3
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I do have a UC Mk1...it just has a T16 rear axle in it. Do you know if there are any differences between the idler wheel and the road wheels other than the bearing? Are they interchangable?
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#4
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The wheel is the same, but the tyre is smaller in diameter - Road wheels are 20" dia. Idler is 19" or 19.5" I cannot remember the correct size. It is usually moulded into the tyre.
The inner bearing has the bigger bore, and the inner seal and seal carrier are correspondingly bigger.
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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.... |
#5
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Thanks for all the information! I wonder why they wouldn't have made the road wheels and idler the same?
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#6
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They probabl;y were the same to start with, but my guess is the change occured as a "fix" to stop the rubber peeling off or dropping tracks or the like.
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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.... |
#7
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Interesting, I do not see any reference in the parts book of the T16 to the wheels being different, road to idler. However, looking at my idler wheels they almost look like they have been shaved down to the small diameter. It may be that it was a field mod to reduce the size for some reason?
EDIT.. apologies, the book does list a different part number for idler and road wheel! |
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