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PartsTable / COMPONENT / TWD4052
TWD4052 ✓ Verified by PartsTable
— · TAPERED BEARING
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

The SEAT,BEARING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_diameter: 2.5000 INCHES NOMINAL IN, overall_width: 0.1230 INCHES MINIMUM AND 0.1260 INCHES MAXIMUM IN, outside_diameter: 3.2500 INCHES NOMINAL IN, special_features: GROUND FINISH, style_designator: FLAT RACE SURFACE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-439-2576, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
TWD4052
NSN: 3110-00-439-2576
FSC: 3110
CAGE: 27737 — INA BEARING CO INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_diameter2.5000 INCHES NOMINAL IN
overall_width0.1230 INCHES MINIMUM AND 0.1260 INCHES MAXIMUM IN
outside_diameter3.2500 INCHES NOMINAL IN
special_featuresGROUND FINISH
style_designatorFLAT RACE SURFACE
NSN3110-00-439-2576
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: TWD4052 · OEM ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
OUTSIDE DIAMETER: 3.2500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLAT RACE SURFACE
•
BORE DIAMETER: 2.5000 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH0.1230 INCHES MINIMUM AND 0.1260 INCHES MAXIMUM IN
OUTSIDE DIAMETER3.2500 INCHES NOMINAL IN
STYLE DESIGNATORFLAT RACE SURFACE
SPECIAL FEATURESGROUND FINISH
BORE DIAMETER2.5000 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
2052168Interchangeable
interchangeable cross-reference
interchangeable
647168Interchangeable
interchangeable cross-reference
interchangeable
264001Interchangeable
interchangeable cross-reference
interchangeable
GPW18685AInterchangeable
interchangeable cross-reference
interchangeable
25757Interchangeable
interchangeable cross-reference
interchangeable
35654HInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is TWD4052?
TWD4052 is a SEAT,BEARING.
What parts can replace TWD4052?
There are 14 known substitutes for TWD4052: 2052168, 647168, 264001 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for TWD4052?
TWD4052 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-439-2576. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026