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Technical Data Sheet
PartsTable / COMPONENT / 5092021
5092021 ✓ 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 BEARING,BALL,DUPLEX is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING INNER RACE, bore_diameter: 3.9997 INCHES MINIMUM AND 4.0000 INCHES MAXIMUM IN, contact_angle: 30.0 DEGREES NOMINAL, overall_width: 0.4700 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN, load_direction: ANGULAR, surface_finish: GROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-187-1940, 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
5092021
NSN: 3110-01-187-1940
FSC: 3110
CAGE: 32828 — KAYDON CORPORATION DBA KAYDON CORP (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING INNER RACE
bore_diameter3.9997 INCHES MINIMUM AND 4.0000 INCHES MAXIMUM IN
contact_angle30.0 DEGREES NOMINAL
overall_width0.4700 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
load_directionANGULAR
surface_finishGROUND
style_designatorCOUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING
bearing_preload_rating30.0 POUNDS NOMINAL LBS
overall_outside_diameter4.4997 INCHES MINIMUM AND 4.5000 INCHES MAXIMUM IN
retainer_fabrication_methodPRESSED
lubrication_material_document_and_classificationMIL-L-81846 MIL SPEC SINGLE MATERIAL RESPONSE
NSN3110-01-187-1940
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 5092021 · 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
•
MATERIAL: STEEL CORROSION RESISTING INNER RACE
•
OVERALL OUTSIDE DIAMETER: 4.4997 INCHES MINIMUM AND 4.5000 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: COUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-L-81846 MIL SPEC SINGLE MATERIAL RESPONSE
•
SURFACE FINISH: GROUND
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL CORROSION RESISTING INNER RACE
OVERALL OUTSIDE DIAMETER4.4997 INCHES MINIMUM AND 4.5000 INCHES MAXIMUM IN
OVERALL WIDTH0.4700 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
STYLE DESIGNATORCOUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING
MATERIALOIL LUBRICATION
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-L-81846 MIL SPEC SINGLE MATERIAL RESPONSE
SURFACE FINISHGROUND
MATERIALSTEEL CORROSION RESISTING BALL
CONTACT ANGLE30.0 DEGREES NOMINAL
BORE DIAMETER3.9997 INCHES MINIMUM AND 4.0000 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
690006Interchangeable
interchangeable cross-reference
interchangeable
10734-7Interchangeable
interchangeable cross-reference
interchangeable
6176662Interchangeable
interchangeable cross-reference
interchangeable
84006-01Interchangeable
interchangeable cross-reference
interchangeable
E-250Interchangeable
interchangeable cross-reference
interchangeable
9300-25Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5092021?
5092021 is a BEARING,BALL,DUPLEX.
What parts can replace 5092021?
There are 6 known substitutes for 5092021: 690006, 10734-7, 6176662 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5092021?
5092021 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-187-1940. 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