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Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Today, we're going to review part number 804. This is the Redline 4-inch Rubber Keel Spool-Type Roller for boat trailers. This spool-type keel roller is designed to support the keel of lighter boats and allow easier launching and loading of the boats. It does have an overall length of 4 inches and the diameter on the roller is 3 inches. Now, the measurement of the flat area on the roller itself will measure 1-1/2 inches and the measurement from the outside of the roller to the start of where the flat spot is, they would measure 1-1/4 inches on each side. Now, the hole size is 5/8 of an inch.
That means it will mount on a shaft diameter of 5/8 of an inch. That should do it for review on part number 804.
Great product
Perfect size to replace my old worn and cracked roller.
Good price and fast delivery!
Just as expected and arrived on time!
Product was as good as any and arrived in good condition. I was very pleased that this relatively lightweight order was able to ship at a less punitive "special" rate.
They worked good very happy with the quality
There's a plastic insert in the roller's bore to reduce friction on the shaft and increase longevity.
All the produces I ordered were great and worked where we need them.
old trailer, needed new rubber rollers, great pricing and fit.
Great serviceAfter ordering this item I was informed about the order being processing and shipping info that day, by e-mail. Follow-up emails were sent tracking the shipment and it was delivered ahead of schedule.
Exactly what I ordered and arrived very quick.
Order came fast and product looks good. Will be using it soon.
Great service, ontime with quick delivery and as discribed
very satisfied with the product and service, great follow up as well.
Thanks
Product was exactly as described. extra quick shipping and great customer service follow up.
as advertised prompt shipping
Utilized several products purchased from etrailer while building a double trailer for two sneak boxes. etrailer always had the products I needed in stock, delivery was prompt and their service/follow up was excellent. I will not hesitate to continue to purchase from them in the future.
I have done two separate orders with etrailer. First a set of leaf springs and a tire, second a set of keel rollers. It's been a very good experience. Great service, quality parts, really good prices. I would recommend them absolutely!
I bought these rollers to replace old ones on a trailer that had been setting for several years and had deteriorated badly. I looked all over and couldn't find any where I live so found these and ordered them. They appear to be of high-quality rubber and should do the trick. These 4" rollers measure 3 3/4" long, but that's okay because I actually need them slightly shorter than that for my trailer, and no on makes the size I need anymore. I think I can get these to squeeze in. I haven't installed them yet, or had them for long, so can't write about how long they last, but they look to be good quality.
I had a small order: just 4 bunk brackets and 3 rubber rollers for a trailer I just rebuilt for a fishing boat. I was impressed with the quality/price of the items and with the service. I will order again from etrailer.com...........
Works as planned. Wished it came with a galvanized bolt or stainless bolt to use.
Ryan S.
9/9/2015
All are working well and everything intact. Will order another tire and wheel to replace my aged spare for my jon boat trailer soon.
If you have a boat trailer that has roller brackets that are 4 inch and the current roller are tight these are the rooler you want, With a width of 3 and 3/4 they fit perfectly
We have to give you a 5 star rating because we've been restoring a 1970 Starcraft 15' fishing boat and just finished it. Maiden voyage will be this spring when we take it to Lee's Ferry on the Colorado River. As it stands, the rollers are in place and no reason they should not perform well. We appreciate the apparent quality.
I had no difficulty installing this item. It seems to be an exact replacement for my old trailer roller. My old roller had a nylon tube to maintain dimensional stability for the bolt hole; this new model has a plastic pipe tube instead. But the functionality seems to be the same.
Product seems of good quality. Shipping was great and the tracking information on where the product was is the best I have ever seen. I would recommend this company to anyone and look forward to doing business in the future.
Great quality, fast shipping ...not sexy but look forward to having them on my boat. etrailer is my "go to" company for anything trailer related.
Perfect for our trailer. Love the website, super fast shipping. This keel spool is super durable and highest quality.
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Rich H.
5/6/2015
I am completely satisfied with the products I purchased.