A-387A-P-AI Cone, Tapered Roller Bearing
A-387A-P-AI Cone, Tapered Roller Bearing
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One New Aftermarket Replacement Cone, Tapered Roller Bearing - 387A Series
This 387A tapered roller bearing cone (inner ring assembly) is a heavy-duty replacement designed for wheel hub assemblies on 9,000 lb and 10,000 lb capacity trailer axles, including Dexter axle models. The tapered roller design supports both radial and axial loads simultaneously and is typically mounted in opposing pairs on a shaft. The matching cup (outer race) for this cone is the 382A, sold separately.
Specifications
- Part Type: Single Cone (Inner Ring Assembly)
- Bore (Inner Diameter): 2.250" (57.15 mm)
- Cone Width: 0.864" (21.95 mm)
- Maximum Shaft Fillet Radius: 0.140"
- Cage Type: Stamped steel
- Series: 385 / 387A Imperial
- Matching Cup (sold separately): 382A
Compatible Applications
Trailer Axles: Dexter 9K (9,000 lb) and 10K (10,000 lb) axles, including hub/drum models 8-214, 8-288, 8-339, 8-415, 8-430. Suitable for equipment trailers, utility trailers, agricultural trailers, and heavy-duty towing applications requiring a 2.250" bore bearing.
Replaces Part Number(s):
387A, A-387A-P-AI
Aftermarket Interchange Numbers
Timken 387A, SKF 387A, NTN 4T-387A, Koyo 387A
New aftermarket replacement part - not remanufactured, not used.
