Correct Bearing Kit for 5,200 lb Axles

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Question:

Looking for help with exact bearing set for PJ T5 trailer with 5200 lb axles.

asked by: Kyle S

0

Expert Reply:

The standard 5,200 lb axle will use either the Bearing Kit # BK3-310 which has a grease seal ID of 2.125" or the Bearing Kit # BK3-300 which has a grease seal ID of 2.25". The bearing numbers are the same for each kit (25580 inner and LM67048 outer) so you'll just want to pull your hub and check the part numbers for your bearings and ID of your seal to verify which bearing kit you need.

Attached is a video where we rebuild a bearing and grease seal kit for you to check out.

expert reply by: Jon G

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Answer 1

Hey Philip! Can you get the serial number off of that axle tag? We have two different bearing kits that will work with the difference being the grease seal. If your existing grease seal has a 2.25" inner diameter (ID) you can use the #BK3-300…

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Answer 2

Hey Don, thanks for reaching out! You either need the Bearing Kit #BK3-310 (2.125" grease seal ID) or the Bearing Kit #BK3-300 (2.25" grease seal ID). The part number on your axles unfortunately doesn't give me the info I need to reach…

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Answer 3

I'm assuming you're speaking of a bearing kit like #BK3-310 that includes a LM67048 outer bearing, a 25580 inner bearing and a GS-2125DL double lip seal. The seal fits a 3.376 hub bore and a spindle surface just a bit larger than 2.125…

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Answer 4

Hi Craig; thank you for providing those part numbers. That is the 2.25" inner diameter grease seal so for replacement bearings you can use the Bearing Kit, LM67048/25580 Bearings, 10-36 Seal #BK3-300 you were looking at. If you prefer Timken…

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Answer 5

There are two possible bearing kits for your trailer's 5,200 lb axles. There's the more common part #BK3-310 and the less common part #BK3-300. The difference is the seal size. The part #BK3-300 has a seal with an inner diameter of 2.25 inch…

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Answer 6

Assuming that your hubs use the LM67048 outer and 25580 inner bearings, you will need the #BK3-300 which uses the 10-36 double lip grease seal with a 2.25 inch inside diameter. The BK3-310 uses a seal with a 2.125 inch inside diameter, which would…

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Answer 7

Given the inner and outer bearing numbers you kindly provided (thanks for that!), you have a 5200 lb axle. We offer two different bearing kits that could work for you. Both include the replacement inner and outer bearings, the compatible races and…

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Answer 8

Hey Ronald, thanks for all of that info, based on that the correct bearing kit would be the part #BK3-310 that you referenced.

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Answer 9

Even though I cannot comment specifically on the grease you used because I am not familiar with it, I can tell you the best grease for trailer bearings is a a grease with a rating of GC-LB, which just means it is made to withstand very high…

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Answer 10

Usually when you replace parts that get lubricated, you clean all of the existing grease first before adding any new grease, just in case there is a compatibility issue. Since you are using Dexter axles and replacing components with Dexter parts, the…

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Answer 11

You can measure either the outer diameter of the part of the dust cap that fits into the hub OR the inner diameter of the hub where the dust cap goes using calipers such as #PTW80157. Calipers are needed because the measurement has to be as accurate…

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Answer 12

Test the 12 volt power wire that feeds the charging circuit for the breakaway kit part #50-85-315 that you have installed on your trailer with a circuit tester like part #PTW2993. You should be getting 12 volts running into the battery box that will…

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Correct Bearing Kit for 5,200 lb Axles

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