Replacement Trailer Hub Grease Seal for L44643 Inner and Outer Bearings

Question

Question:

what seal do you have to replace a national 473426? My outer bearing is a Timken 44643

asked by: Dave

1

Helpful Expert Reply:

The seal you need is going to be more associated with the inner bearing and race. The outer bearing will help identify other parts but only if I have both bearing numbers. If both bearings are the same then the seal is # 34823 or for a pair use # RG06-010. You will need to pull the hub and get the inner bearing number as well to be sure.

These seals measure 1.249 inner diameter and 1.983 outer diameter.

expert reply by: Michael H

1

Answer 1

The only hand winches we offer that can have a drill attached to them for operation are worm gear winches like part #DL11001 which does have a hex drive and you can use a 5/8 inch socket attachment to power the load in or out.

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Answer 2

Thanks for the photo. The Dutton-Lainson Hand Winch - TUFFPLATE Finish - 2 Speed - Direct Drive - 2,500 lbs #DL14825 you asked the question from is set-up much differently. The style of winch you have is more like a worm gear winch #DL11001. The…

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Answer 3

Dutton-Lainson Hand Winch #DL11001 does not come with a cable because they want to leave the options open for people to choose the size and length that works best for them. As-is this winch can accept a 7/32 inch cable up to 82 feet long or a 1/4…

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Answer 4

The matching race for bearing #L44643 is #L44610. For this race and bearing combination the seal is #RG06-010. It has an inner diameter of 1.249 inches and an outer diameter of 1.983 inches. This is a set of double lip seals that provide a much…

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Answer 5

No, the 1.063" ID #L44649 bearings cannot replace the 1.00" ID #L44643 bearings as they are too large like you mentioned; you'll need to use the #L44643.

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Answer 6

The bearing part #L44649 has an inner diameter of 1.063 and is typically used in 3,500 lb axle hubs and the #L44643 has an inner diameter of 1 inch and is typically used on 2,000 lb axle hubs. If you can get me more info on your trailer like axle…

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Answer 7

You will definitely want to go with a double lip seal if you are using Bearing Buddies because they will prevent blowing out grease from the other side and hold pressure better. Go with seal pair #RG06-010 that you have referenced to get a pair of…

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Answer 8

Trailer wheel bearings are specific to the spindle that is installed on the axle that is on your trailer. You will need to safely support the trailer, remove the wheel and tire, remove the grease cap, remove the cotter pin and washer that secures the…

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Answer 9

To find the correct hub for your boat trailer there are a couple things you need to know. First, you said the bearings you have are 07100. In my research I found that the 07100 bearing has an inner diameter of 1.000 inch. We have a bearing that…

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Answer 10

A BT8 spindle would have a diameter of .99 of an inch where the bearings would both install and would have a diameter of 1.24 where the great seal would ride. That would require a hub part #AKIHUB-440-2-1K for an idler hub. A BTR spindle would have…

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Answer 11

Hey Paul, it sounds like your boat trailer uses a BT8 spindle, so you can use the Double Lip Grease Seal #34823. This seal has an inner diameter of 1.25" , an outer diameter of 1.98", and will work with BT8 spindles.

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Answer 12

Sealant is not required when installing a grease seal, like #RG06-050 you referenced. The cap will not need a sealant either. See the help article I've attached that explains the entire process of replacing bearings, races, and seals. I've…

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Replacement Trailer Hub Grease Seal for L44643 Inner and Outer Bearings

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