Replacement 4-3/8 by 3 Inch Wobble Rollers for a Boat Trailer  

The Yates Ribbed Wobble Roller #YR500YW-6P has a bushings that measures 3/4" inner diameter the whole way through so it will reflect the angle of the shaft you're needing to install it on, so it will work great for your application…

It would be best to stay with the sizes you currently have (assuming everything is working well), as changing the roller diameter can affect how the hull meets up with the bow stop or rollers if your trailer is so equipped. One of my friends had the…

Since your main concern is the marks on the hull of your boat I recommend going to the Yates TPR Ribbed Wobble Roller. These rollers are constructed of thermal-plasticized rubber which is a non-marking, non-scratching material. It is stronger and…

Since you have a 7/8 inch wobble roller shaft you would want the part #YR500YW-7P as it is designed to fit a 7/8 inch shaft and is the same diameter as the roller you referenced, 5 inches. I attached a review video for you to check out as well.

The Yates Wobble Roller #YR440R will leave black marks but you can use the yellow version #YR500YW-6P instead to avoid marking up your boat. I confirmed this with my contact at Yates. This has a slightly larger diameter at 5" as opposed to the…

The Yates Ribbed Wobble Roller, #YR343R-6P, is 3 inches wide when compared to #YR440R which is 4-1/4 inches wide. If the 3 inch width will still work for your application then you can use it in place of the #YR440R roller.

At one time, wobble roller was a patented term, but now the term wobble roller and rocker-roller are interchangeable. The #DL21564 roller you mentioned has an integrated bushing that makes the roller track straight on the shaft it's installed on,…

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

To determine the size of the brake assemblies you need you have to measure the depth and width of the hub drum on the axle like what you see in the picture I attached. The most common size is 2-1/4 inch wide like the #T4071600-500 that you…

The 5.30-12 tires, being wider, are going to make more contact with the road. This means that the noise, and heat build up will be higher than a 4.80-12 tire but the rolling resistance will actually be less because the tire is larger diameter. The…

Load range B trailer tires are going to have a lower capacity than C load range tires. Basically that, psi rating, and the ply rating are the only differences. A higher load range tire would last a little longer than lower load ranges of the same…