Measurements of the Bearings and Races Included w/ the Bearing Kit BK3-210
Updated 10/22/2025 | Published 04/10/2025
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Question:
Bearing Kit, 14125A/25580 Bearings, GS-2125DL Seal What are the ID of the bearings and OD of the races contained in this kit?
asked by: Chris B
Expert Reply:
Hey Chris! The measurements for the bearings and races in the Bearing Kit item # BK3-210 are listed below:
The Replacement Trailer Hub Bearing - 14125A item # 14125A has a inner diameter of 1.250".
The Replacement Trailer Hub Bearing - 25580 item # 25580 has a inner diameter of 1.750".
The Replacement Race for 25580 Bearing item # 25520 has a outer diameter of 3.265".
The Replacement Race for 14125A Bearing item # 14276 has a 2.717" outer diameter.
If you have any additional questions go ahead and throw them into the comment box below.
Product Page this Question was Asked From
Bearing Kit, 14125A/25580 Bearings, GS-2125DL Seal
- Trailer Bearings Races Seals Caps
- Bearings
- Standard Bearings
- Bearing Kits
- Bearing 14125A and 25580
- Race 25520 and 14276
- 7000 lbs Axle
- etrailer
more information >
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Jerred H.
10/22/2025
Hey Chris, did those bearing and race measurements for the BK3-210 kit match what you needed for your setup? Knowing how they fit could help others checking the same specs.