What is the Difference Between 1.25 Inch Trailer Bearings

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Question:

Whats the difference between the 15123 and LM67048 outer bearing? Is one stronger than the other? Do they use the same or different race?

asked by: Brad

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Expert Reply:

The short answer is Yes, bearing # 15123 is slightly larger and stronger than # LM67048 and they use different races which means they are not interchangeable.

Bearing 15123 uses race # 15245 which has an outer diameter of 2.441 inches and bearing LM67048 uses race # LM67010 which has an outer diameter of 2.328 inches. The size and strength differences are due to the fact that bearing # 15123 is used in a higher weight capacity hub. Bearing # 15123 is the outer bearing for a hub for a 6,000 lb axle and bearing # LM67048 is the outer bearing for a hub for a 5,200 lb axle.

There is a third bearing with the 1.25 inch inner diameter which is # 14125A. This bearing is larger and stronger than both # 15123 and # LM67048. It is the outer bearing for a hub for a 7,000 lb axle and uses race # 14276. I've attached video reviews of each bearing and a link to our entire trailer hub selection for you to check out.

expert reply by: John H

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Answer 1

The inner diameters of the LM67048 and 15123 both are the same (1.250 inches). That means that a hub with either bearing in the outer bearing would fit your spindle. The part #AKHD-655-6-EZ-K would fit your axle.

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Answer 2

There actually is no real difference. They have the same dimensions, fit the same applications, and are both double lip seals. Our part number for the 10-36 is the #RG06-070.

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Answer 3

The Titan Hydraulic Brake Line you mentioned, part #T0980100 has an overall length of 25 inches measured end to end, and would work just fine on the swinging tongue of your boat trailer.

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Answer 4

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Answer 5

The 8.75-16.5 tire size has an overall diameter of 29.5 inches and the tire size 235/80-16 like part #TTWTRTM2358016E has a diameter of 30.8 inches.

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Answer 6

The Kodiak Disc Brake Kit #K2R526S does come with brake pads. When it is time to replace those brake pads, you will want part #K225CP. The disc brake kit will fit wheels 15 inches and up, with axles rated 5,200 to 6,000 pounds. The rotor will fit…

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Answer 7

Although both the #LM67048 and the #14125A bearings might have the same inner diameter of 1.25 inches, they aren't interchangeable. Both bearings are compatible with a different race or bearing cone. The races have a different outside diameter,…

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Answer 8

A 16 inch tire will not fit on a 16.5 inch wheel. You would either need to get new 16 inch wheels with the proper bolt pattern to match what the hubs require or to get your existing wheels you would need to go with 16.5 inch tires. You mentioned you…

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Answer 9

With the Hydrastar Actuators like the #HBA16 the correct brake fluid is DOT 3 or DOT 4. Do not mix the two though.

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Answer 10

Mobile home axles, hubs, and parts are designed for more of a one time use. Most of the time, replacement parts and options are not available. However, since you found the bearing numbers (Inner Bearing Item #25580 and Outer Bearing Item #15245) then…

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Answer 11

The LM67048 (5,200 lb Outer Bearing), 15123 (6,000 lb Outer Bearing), and even 14125A (7,000 lb Outer Bearing) all have the same 1.25" inner diameter so you can use any of them on a 5,200 lb axle. For this, I recommend the Dexter Trailer Hub and…

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Answer 12

The Dexstar wheel, part #AM20761B, has a maximum capacity of 3,750 pounds. I've linked a video that displays additional specs for you as well.

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What is the Difference Between 1.25 Inch Trailer Bearings

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