Recommended Roller Bunk Assembly for 3 Wide Trailer Frame

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Question:

My trailer tongue is 3 inches wide. Dont the mounting holes need to be more than 3 inches wide so the mounting hardware can fit around it??

asked by: Ira

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Expert Reply:

Yes, the mounting holes on a roller bunk assembly bracket would need to be spaced apart farther than 3" in order to fit a 3" wide frame. Instead of using the CE Smith Spool Roller Assembly part # CE10451G, I recommend using a combination of the brackets part # MBSPB, roller part # YR510Y-5, shaft/nuts part # CE10722A, and u-bolts part # CE15252A. Roller assemblies can be installed on trailers in a variety of different ways but in order to attach them directly atop a 3" wide frame rail like I believe you are trying to, I suggest using the universal brackets mentioned above.

expert reply by: Conner L

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Answer 1

On the CE Smith Deep V Keel Roller Assembly, #CE10453G, on the larger section of the roller to the mounting plate measures 4 inches tall. At the center of the roller to the mounting plate the measurement is 3-1/16 inches tall.

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Answer 2

The center to center distance between the mounting slots of the CE Smith Deep V Keel Roller Assembly #CE10401G is 3 inches.

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Answer 3

A TPR roller like the #YR500YW-6P is going to be better than PVC. PVC is a cheaper product. TPR has the properties and performance of both PVC and rubber while having a higher tensile strength so it is going to be the most durable. I don't have a…

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Answer 4

My contact at Yates Rubber advises that a nominal 8-inch keel roller does not measure exactly 8 inches; typically they are slightly smaller than the specified size, much the way a piece of 2 x 4 lumber is not exactly 2-inches by 4-inches. I took…

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Answer 5

Great question, Dave! The boating industry rounds up when it comes to identifying boat trailer rollers. Since the CE Smith Keel Roller for Boat Trailers #CE29516 measures 4-1/2" wide it gets placed in the 5" wide category. This also has to…

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Answer 6

The CE Smith Deep V Keel Roller Assembly #CE10453G would work great to help center the boat as you load it onto the trailer as well as provide some additional support. I'd go with the wider version part #CE10455G which has a 12 inch roller on it.…

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Answer 7

Hey Dave, good to hear from you again! To replace your 5-3/8" wide keel roller, shaft, pal nuts, and bracket you'll need the following: - Yates Keel Roller #YR5244-105EC - Roller Shaft with Pal Nuts #CE10722A - CE Smith Adjustable Mounting…

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Answer 8

Hello Darrin, thanks for reaching out. For our rollers that fit a 5/8" shaft I am not seeing that we have anything with exactly a 3" or 3.5" diameter in the center. I do have a potential option for you though. Take a look at the Yates…

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Answer 9

Yes, we do have stainless steel and galvanized square u-bolts available. The CE Smith U-Bolt - Stainless Steel #CE15501A has the same 4" Long x 2-1/8" Wide x 7/16" Diameter measurements as the Trailer Square U-Bolts #7162184UB you were…

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Answer 10

I took the measurements of the Multipurpose U-bolt, part #CE15504A, which you can see on the enclosed diagram. You'll note that the length of the U-bolt is 3 inches, which may be too short for your application. The closest sized U-bolt we are…

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Answer 11

Keel rollers for boat trailers such as #CE32005G don't have a weight capacity or size rating because they aren't really supporting all that much weight. The bracket is designed to fit around a 2 inch trailer tongue. On your trailer it looks…

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Answer 12

Hello Dave. In regards to the CE Smith Bunk Roller #CE27700 about half of the diameter of the roller sits above the metal rail, there is 1" (maybe 1-1/16") of clearance between the metal rail and the boat bottom when the boat is sitting on…

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Recommended Roller Bunk Assembly for 3 Wide Trailer Frame

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