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AA1939 — ROLLER,BEARING

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

AA1939: ROLLER,BEARING.

The ROLLER,BEARING is a the manufacturer industrial component. Key specifications include material: STEEL COMP E52100 OVERALL, overall_length: 1.6200 INCHES NOMINAL IN, style_designator: NEEDLE ROLLER, SPHERICAL ENDS, rolling_element_diameter: 0.1875 INCHES NOMINAL IN, material_document_and_classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-426-3268, 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
AA1939
NSN: 3110-00-426-3268
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 32828 — KAYDON CORPORATION DBA KAYDON CORP (USA)
SPECIFICATIONS
materialSTEEL COMP E52100 OVERALL
overall_length1.6200 INCHES NOMINAL IN
style_designatorNEEDLE ROLLER, SPHERICAL ENDS
rolling_element_diameter0.1875 INCHES NOMINAL IN
material_document_and_classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
NSN3110-00-426-3268
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: AA1939 · 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
•
ROLLING ELEMENT DIAMETER: 0.1875 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NEEDLE ROLLER, SPHERICAL ENDS
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL COMP E52100 OVERALL
TECHNICAL CHARACTERISTICS
ROLLING ELEMENT DIAMETER0.1875 INCHES NOMINAL IN
STYLE DESIGNATORNEEDLE ROLLER, SPHERICAL ENDS
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH1.6200 INCHES NOMINAL IN
MATERIALSTEEL COMP E52100 OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
2960197Reference document
Same NSN cross-reference
Reference document — Secondary reference
99091Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AA1939?
AA1939 is a ROLLER,BEARING.
What parts can replace AA1939?
There are 2 known substitutes for AA1939: 2960197, 99091. Substitute compatibility should be verified for your specific system.
What is the NSN for AA1939?
AA1939 is cataloged in the U.S. Government catalog under NSN 3110-00-426-3268. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.