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  #1  
Old 29-03-09, 14:24
Hanno Spoelstra's Avatar
Hanno Spoelstra Hanno Spoelstra is offline
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Default A Study Of Seals

No, this is not Sir David Attenborough's latest documentary on marine mammals

Recently I took stock of the grease seals I have for my CMP. Some came with my F15A when bought, others were acquired later. In this thread I will post known details, but also ask the members to add information if they can supply it.

I have five different seals, numbered 1 - 5 in the picture below.

Thanks in advance,
Hanno
Attached Images
File Type: jpg cmp seals 1-5.jpg (20.5 KB, 45 views)
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  #2  
Old 29-03-09, 14:40
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Hanno Spoelstra Hanno Spoelstra is offline
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Default

Seal "no.1":

NOS, leather seal.

Measurements:
OD: 1.831"/ 46,5 mm
ID: 1.3"/ 33,02 mm

No other details known.

Who knows where this seal fits?
Attached Images
File Type: jpg cmp seal 1 front.jpg (52.1 KB, 18 views)
File Type: jpg cmp seal 1 rear.jpg (52.8 KB, 18 views)
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  #3  
Old 29-03-09, 14:46
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Hanno Spoelstra Hanno Spoelstra is offline
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Default

Seal "no.2":

NOS, leather seal, marked "050308".

Measurements:
OD: 3"/ 77,78 mm
ID: 2"/ 50,80 mm

No other details known.

Who knows where this seal fits?
Attached Images
File Type: jpg cmp seal 2 front.jpg (58.6 KB, 14 views)
File Type: jpg cmp seal 2 rear.jpg (54.1 KB, 13 views)
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  #4  
Old 29-03-09, 14:52
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Hanno Spoelstra Hanno Spoelstra is offline
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Default

Seal "no.3":

Rubber seal, marked "Burtonwood 237-350".

Measurements:
OD: 3.5"/ 89 mm
ID: 2.26"/ 57,53 mm

No other details known.

Who knows where this seal fits?
Attached Images
File Type: jpg cmp seal 3 front.jpg (53.0 KB, 14 views)
File Type: jpg cmp seal 3 rear.jpg (60.0 KB, 13 views)
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  #5  
Old 29-03-09, 15:04
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Hanno Spoelstra Hanno Spoelstra is offline
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Default

Seal "no.4":

NOS leather seal.

Measurements:
OD: 4.569"/ 116,05 mm
ID: 3"/ 76,24 mm

Part number: BB-1175-C
Part name: Retainer - rear wheel grease (leather oil seal)

I bought these locally as new rubbers seals for EUR 25,- each.

Mac's Antique Auto Parts list them as follows:
Part# | Price | Description | Additional | Year
BB-1175-C | 21.95 | WHEEL GREASE SEAL | REAR 2 TON TRUCK 4.56" OD TRUCK WITH FULL FLOATING WHEEL AXLE EXCEPT 122" WHEELBASE | 1934-1952
Attached Images
File Type: jpg cmp seal 4 front.jpg (70.8 KB, 16 views)
File Type: jpg cmp seal 4 rear.jpg (78.6 KB, 16 views)
File Type: gif BB-1175-C.gif (25.7 KB, 254 views)
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  #6  
Old 29-03-09, 15:11
Hanno Spoelstra's Avatar
Hanno Spoelstra Hanno Spoelstra is offline
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Default

Seal "no.5":

NOS leather seal.

Measurements:
OD: 6.25"/ 159,8 mm
ID: 4.5"/ 120 mm

Part number: *C01Q-1190-B
Part name: Seal - front axle hub grease leather oil seal

I bought these locally as NOS leather seals for EUR 10,- each.
Attached Images
File Type: jpg cmp seal 5 front.jpg (73.6 KB, 15 views)
File Type: jpg cmp seal 5 rear.jpg (72.4 KB, 15 views)
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  #7  
Old 03-06-11, 01:36
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Richard Farrant Richard Farrant is offline
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Default Ford BB1175C hub seals

Quote:
Originally Posted by Hanno Spoelstra View Post
Seal "no.4":

NOS leather seal.

Measurements:
OD: 4.569"/ 116,05 mm
ID: 3"/ 76,24 mm

Part number: BB-1175-C
Part name: Retainer - rear wheel grease (leather oil seal)

I bought these locally as new rubbers seals for EUR 25,- each.

Mac's Antique Auto Parts list them as follows:
Part# | Price | Description | Additional | Year
BB-1175-C | 21.95 | WHEEL GREASE SEAL | REAR 2 TON TRUCK 4.56" OD TRUCK WITH FULL FLOATING WHEEL AXLE EXCEPT 122" WHEELBASE | 1934-1952
I have only just come across this thread. At present rebuilding an axle for a Carrier, after researching a replacement seal for the hubs, I found that by searching with the Ford part number, BB1175C, I came up with one manufactured by Chicago Rawhide, now marketed under SKF name. It is a modern type of hub seal that turns within itself and thus doing away with the old type lip to seal path idea. Found a SKF data sheet for said seal, and it listed all the Ford and other makers part numbers that the SKF seal no. 31307 covered, inc. BB1175C. I knew the shaft size was correct, having measured the axle, 3.125", but having seen the Ford part number as well, neglected to check the OD assuming it would be OK. On receiving these seals from a dealer in the US, I now realise the OD is incorrect, the data sheet shows OD of seal is 4.631", where as the hub bore actually measures 4.560" (which is what Hanno quotes in his post here). There is also a discrepancy in the width of the seal as well, but that is not as important as the OD.

So, my question is, does anyone know if there is another SKF number for this seal, to suit the actual size required for the axle, and has anyone else had this problem?
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  #8  
Old 05-06-11, 12:33
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Keith Webb Keith Webb is offline
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Default Seal

Just a guess but this looks like the transfer case power take off seal.

Quote:
Originally Posted by Hanno Spoelstra View Post
Seal "no.1":

NOS, leather seal.

Measurements:
OD: 1.831"/ 46,5 mm
ID: 1.3"/ 33,02 mm

No other details known.

Who knows where this seal fits?
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  #9  
Old 05-06-11, 12:41
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Keith Webb Keith Webb is offline
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Default Or the....

Quote:
Originally Posted by Keith Webb View Post
Just a guess but this looks like the transfer case power take off seal.
Yes it also looks like the F15 hub seal.
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42 FGT No8 (Aust) remains
42 FGT No9 (Aust)
42 F15
42 F15A
Keith Webb
Eltham, Victoria Australia
Also Canadian Military Pattern Vehicles group on Facebook
http://www.imagecontrol.com.au
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  #10  
Old 05-06-11, 12:52
Col Tigwell Col Tigwell is offline
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Default

Chicago Rawhide and National who are the two largest USA seal suppliers put out several cross over books

One from OEM part numbers to theirs.

Another cross references from size to manufacturers numbers.

Also Cr produce another publication on sizing for speedy sleeves which have to be one of the greatest inventions since the war. What is not commonly known that if the shaft is out of limits for roundness, the sppedy sleeve will bulge up and make the shaft unusable. When I worked for Kenworth we did not bother with micrometers if the sleeve went on OK then you could be sure it would not leak.

regards

Col
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  #11  
Old 05-06-11, 16:07
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Phil Waterman Phil Waterman is offline
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Default Cross Reference and Dimensional Information On Line

Cross Reference and Dimensional Information On Line I have been using Motion Industries for a number of years to purchase seals and bearings for my CMPs they have a very usable on line sited http://www.motionindustries.com/moti...mii/index.html which I have found almost every seal and bearing that I have needed. Most of the seal numbers or bearing numbers found on Chevy CMP parts are still good numbers. The Motion Industries site also gives you the dimensional and detail information on the parts. One word of caution be sure to look at all of the cross over possibilities as there is a huge price range for “interchangeable” parts example wheel bearing depending on the precision and speed range have a huge cost.

Even if you don’t use Motion Industries the listing gives you a number of different manufactures for the same parts.


Cheers Phil


3August2019 - just checked and the link to Motion Industries is still good
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Last edited by Phil Waterman; 03-08-19 at 14:49. Reason: Checked Link is still good
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