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A-055278-AI Bearing (25580)

A-055278-AI Bearing (25580)



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One New Aftermarket Replacement Tapered Roller Bearing Cone (25580)

This tapered roller bearing cone is an industry-standard imperial taper roller bearing used in trailer wheel hubs, axle assemblies, and a wide range of agricultural and industrial equipment. Designed to handle both radial and axial loads, it provides smooth, reliable rotation in demanding applications.

Specifications

  • Bearing Type: Tapered Roller Bearing Cone (TS - Tapered Single, Imperial)
  • Series: 25500
  • Bore Diameter (ID): 1.750 in
  • Overall Width: 1.000 in
  • Material: Chrome Steel
  • Cage Material: Steel
  • ABMA Precision Rating: Class 2
  • Finish: Uncoated
  • Operating Temperature Range: -65 to +250 degrees F
  • Compatible Cups (sold separately): 25519, 25520, 25521, 25521B, 25522, 25523, 25524, 25526

Common Applications

Inner bearing for trailer axles rated 5,200 lb to 8,000 lb; outer bearing for heavier 9,000 lb to 10,000 lb axles. Widely used in agricultural equipment, construction equipment, and trailer wheel end assemblies.

Replaces Part Number(s):

A-055278-AI, 055278, 25580

New aftermarket replacement part - not remanufactured, not used.

Models This Part Fits:

Steering Knuckles, 1480, 1650, 770, 1212SK, 996Q, G2155, 700, 1955, 1682, 9524, 990SK, 2096, 1855, 403, 970, 1412SK, 9812, 170 WORKHORSE, 2-70, 615, 2-150, G950, 1482, 1950, 2294, 1755, 9816, 870, 9523, 1175, 2090, Front Wheel Hubs, 503, 800, 1412Q, 160, 1950T, 9150, 580A, 2255, 1212SD, 1655, 2-110, 995Q, 1870, 990Q, G955, 2-155, 1210Q, 2-78, 1212, G1350, 1210SD, 1594, 1494, 8816, 195 WORKHORSE, 915, 1690, 2-135, Final Drives, 2094, 4-78, 1210, 9531, 380B, 2-105, G1355, 9130, 480A, 9170, 2-88, 2-180, 830, 2290, G900, 995SK, 1460, 580B, 1896, 960, 1200, Axle Assemblies, 1750, 9190, 730, 1070, 8824, 900 Series, 185 FIELD BOSS, 600, 930, 1850, 2-85, G1050, 996SK, 9824, 303, 1210SK, 1030, 315, 2270, 1212Q, 1490

Additional Information:

Bore: 1.750" Radius: .14" Width" 1" Bearing Cone

Reference Numbers:

990045, 25580, 050260M1, A29063, ST2118, JD7395, 1H4493, 8J0412, WBA5018B, 055278, 711218, NCB44135B, 13540, 25580TIM

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