Different swivel balls? - Defender Source
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  #1  
Old September 9th, 2012, 06:49 PM
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Different swivel balls?

Looking at a set of castor correct swivel balls and have a question. Has rover used more than one type of swivel ball or are they all the same. Tried looking in parts catalogue and can't tell.
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  #2  
Old September 9th, 2012, 07:56 PM
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And am i right in thinking they have part numbers inside the ball? If not how can I tell an ABS vs non abs ball?
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  #3  
Old September 9th, 2012, 08:37 PM
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Yes, there are different balls. Look over some parts books and you'll see different numbers. My D90 ('97) has speed sensors for off road /anti-knock feature. The ball & housing are different than the one's without the speed sensor (ABS).
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  #4  
Old September 9th, 2012, 08:37 PM
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Later swivels - intended for grease I beleive- are missing the drain plug and may be black (teflon?) coated.

Dimensionally should be all the same as far as I know.
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  #5  
Old September 9th, 2012, 08:41 PM
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I'm trying to tell the seller to look for something that will indicate if the are ABS or non ABS. What can I have him do to verify?
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  #6  
Old September 9th, 2012, 08:42 PM
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Get a set of black swivels, they are coated to prevent the balls from pitting...
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  #7  
Old September 9th, 2012, 08:55 PM
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The later years have no drain plug in the knuckles, not the swivel balls. that being said, I know there are at least two different styles of swivel balls. I do not have ABS on my truck but believe that the ABS sensor has more to do with top king pin than the swivel itself but the king pins do determine the size of the hole/bearing type in the swivels. These are pics of a non-abs swivel
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  #8  
Old September 9th, 2012, 09:33 PM
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Yes it's part number FTC 5105 vs FTC 5366. ABS vs NON-ABS and they are not interchangeable. Unless maybe I get a new swivel pin but then I will probably need a new steering knuckle.. and etc etc..

If I had just a swivel ball in front of me, how would I be able to determine which one I have?
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  #9  
Old September 9th, 2012, 10:01 PM
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So if the guy has the part in front of him how would he differentiate between the two? Do all NON abs balls have 6 bolt holes? All ABS have 7?

Does somebody have one of each they could post pictures and specs of???

Sorry for being a pain I just dont want to drop the cash on these balls and have them be NON ABS..
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  #10  
Old September 9th, 2012, 10:16 PM
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Quote:
Originally Posted by Jake1996d1 View Post
I'm trying to tell the seller to look for something that will indicate if the are ABS or non ABS. What can I have him do to verify?
The ABS sensor sets into the piece that the ball goes into right on top just behind the brake disc itself & has a wire that goes to it.
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  #11  
Old September 9th, 2012, 10:24 PM
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Quote:
Originally Posted by Dennis View Post
The ABS sensor sets into the piece that the ball goes into right on top just behind the brake disc itself & has a wire that goes to it.

haha dude are you serious!!?! I understand the difference is one is ABS and one isnt. I am trying to figure out what the physical difference is between the two balls.

I am trying to make sure that the two swivel balls he has, sitting on the bench, NOT INSTALLED, no swivel pins, anything, just two balls, sittin there, on a bench are for an ABS truck or a NON ABS truck.

So once again if somebody has a ABS and a NON ABS pair of swivel balls they could do a side by side comparison on I'd appreciate it.

no homo
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  #12  
Old September 9th, 2012, 10:45 PM
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Quote:
Originally Posted by jefhuf View Post
The later years have no drain plug in the knuckles, not the swivel balls. that being said, I know there are at least two different styles of swivel balls...l
Ackkk...sorry about that. Jeff is right.
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  #13  
Old September 10th, 2012, 06:58 AM
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There are large upper pin flayva, small upper pin flayva, 6 and 7 bolt large. I don't think there are any 7 bolt small pin.
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  #14  
Old September 10th, 2012, 07:38 AM
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YES the swivel balls are different even though LR reverts back to the same part numbers for the replacement SB on all applications. The main difference is in the top pin and how the race is attached. The easiest way to determine which SB he has is to determine what top pin he is using. From what I have seen all the bottom pins are the same across the years. What truck is it for and what year?
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  #15  
Old September 10th, 2012, 08:40 AM
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Quote:
Originally Posted by MC22958 View Post
YES the swivel balls are different even though LR reverts back to the same part numbers for the replacement SB on all applications. The main difference is in the top pin and how the race is attached. The easiest way to determine which SB he has is to determine what top pin he is using. From what I have seen all the bottom pins are the same across the years. What truck is it for and what year?

The balls came from Rovertym and never made it onto his truck.. So who knows.. Wil try to get more info today
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  #16  
Old September 10th, 2012, 09:20 AM
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Quote:
Originally Posted by Jake1996d1 View Post
The balls came from Rovertym and never made it onto his truck.. So who knows.. Wil try to get more info today
I have an extra set of non-ABS 7 bolt swivel balls and can measure the size of the pin openings later tonight if you need me to. This would allow you to rule out a size
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  #17  
Old September 10th, 2012, 11:57 AM
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Quote:
Originally Posted by jefhuf View Post
I have an extra set of non-ABS 7 bolt swivel balls and can measure the size of the pin openings later tonight if you need me to. This would allow you to rule out a size
That would be great! I believe the NON ABS 7 bolt's have same hole top and bottom and the ABS balls actually have a slightly smaller hole on top. So hopefully the seller will be able to tell if the top hole is smaller or not
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  #18  
Old September 11th, 2012, 03:10 PM
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If you take a picture of the t op of the SB I might be able to tell you which one it is. If the race is out and the top hole is a hole with out shelf then it is one type, if it has a shelf and a large hole it is another type and if it has a shelf and the same size as the lower hole then it is the older style with the same bearing top and bottom.
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  #19  
Old September 12th, 2012, 08:13 AM
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Quote:
Originally Posted by Jake1996d1 View Post
That would be great! I believe the NON ABS 7 bolt's have same hole top and bottom and the ABS balls actually have a slightly smaller hole on top. So hopefully the seller will be able to tell if the top hole is smaller or not
Here are some pics with the measurements in them
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  #20  
Old September 12th, 2012, 10:07 AM
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You don't need pics or measurements. The top pin is either a Railco bushing or a tapered roller bearing. There is no mistaking the two. Railco bush type swivel has a bore that goes straight all the way thru the top of the casting. The bushing has a shoulder that sits on the machined surface of the swivel housing. Tapered bearing type has a seat for the outer race.
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