What Exactly Does a 6 on 5-1/2 Inch Wheel Bolt Pattern Mean

Question

Question:

I understand that the 6 means 6 lug bolts but what does the 5 1/2 mean and what size lug nuts will this fit on ? thank you

asked by: Ed B

1

Helpful Expert Reply:

You're correct. A 6 on 5-1/2 inch bolt pattern will have 6 lugs with a 5-1/2 inch bolt circle. That means that if you measure from the center of one bolt across the hub to center of the opposite bolt, that distance will be 5-1/2 inches. I'll link to a help article that explains this in detail.

The # PXQT655WHN cover fits bolt heads that are 13/16 of an inch.

expert reply by: Mike L

1

How to Measure Wheel Bolt Pattern
(click to enlarge)

Answer 1

Hey Ken, the etrailer hub part #AKHD-655-35-K that you referenced uses TruRyde bearings. What brand do you prefer?

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Answer 2

Hey Craig, sorry about the confusion but the Trailer Hub and Drum Assembly #AKHD-655-35-K that you referenced does come pre-greased and ready to install. The bearings are in the hub, they have been packed with grease, and there's a grease seal…

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Answer 3

Hello Chris, thanks for reaching out. Based on my research, it looks like the AL-KO-7230 is a hub for a 3,500 lb axle with a 6 on 5-1/2" bolt pattern. We do offer a replacement for this, and for that I recommend the following: - Trailer Hub and…

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Answer 4

Karrier and Loadstar are two different brand names used by Kenda. There's no difference in quality or function between the two brand names. For a ST175/80-13 Radial trailer tire in load range D, I'd recommend part #AM10210 if you're…

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Answer 5

TruRyde and Redline are the two brands of bearings that we carry. According to my contact at TruRyde they come with a limited 3 year warranty.

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Answer 6

The Replacement Race for 2585 Bearing item #2520 is made by Redline. The Replacement Trailer Hub Bearing - 2585 item #2585 is made by TruRyde.

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Answer 7

The manufacturer of the TruRyde bearing and seals we carry like what come in the kit #BK2-100 is TRP International.

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Answer 8

Not all bearings are created equal, but you would be hard-pressed to find one that is vastly superior than another. Whether it is TruRyde, Timken, or some other brand, if the bearings are properly maintained, used in the correct hub, and within the…

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Answer 9

Radials perform better overall than bias ply tires. Radial tires flex more, which provides better ground contact, traction, stability, and tread wear. A radial tire will normally run cooler than a bias ply tire, and since cooler tires last longer,…

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Answer 10

We can help you with a spare trailer hub-and-drum assembly and/or spare bearings for your trailer. Thank you for your photo. Either way you will need to pull one of the hubs to get the part numbers from the inner and outer bearings. These part…

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Answer 11

Thanks for that info, and based on that I can narrow down the options for you considerably, but you will need to do a bit of measuring in order to make sure you get the right hub and drum assembly. Based on having Dexter axles and a 10,000 lb GVWR…

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Answer 12

Trailer makers don't often maintain records of the small parts like bearings that are used in their trailers (even when you can tell them its VIN) so the way to know for certain what replacement parts you need is to pull one of the hubs, remove…

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What Exactly Does a 6 on 5-1/2 Inch Wheel Bolt Pattern Mean

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