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2043993-1 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

2043993-1: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL COMP E52100 OUTER RING, bore_shape: STRAIGHT, bore_diameter: 0.3935 INCHES MINIMUM AND 0.3937 INCHES MAXIMUM IN, overall_width: 0.4521 INCHES MINIMUM AND 0.4531 INCHES MAXIMUM IN, lubrication_material: OIL, overall_outside_diameter: 1.0234 INCHES MINIMUM AND 1.0236 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-299-1965, 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
2043993-1
NSN: 3110-01-299-1965
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 70210 — HONEYWELL INTERNATIONAL INC. DIV AEROSPACE - TORRANCE (USA)
SPECIFICATIONS
materialSTEEL COMP E52100 OUTER RING
bore_shapeSTRAIGHT
bore_diameter0.3935 INCHES MINIMUM AND 0.3937 INCHES MAXIMUM IN
overall_width0.4521 INCHES MINIMUM AND 0.4531 INCHES MAXIMUM IN
lubrication_materialOIL
overall_outside_diameter1.0234 INCHES MINIMUM AND 1.0236 INCHES MAXIMUM IN
retainer_fabrication_methodPRESSED
NSN3110-01-299-1965
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 2043993-1 · 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
•
RETAINER FABRICATION METHOD: PRESSED
•
LUBRICATION MATERIAL: OIL
•
OVERALL OUTSIDE DIAMETER: 1.0234 INCHES MINIMUM AND 1.0236 INCHES MAXIMUM IN
•
BORE SHAPE: STRAIGHT
•
BORE DIAMETER: 0.3935 INCHES MINIMUM AND 0.3937 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP E52100 BALL
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODPRESSED
LUBRICATION MATERIALOIL
OVERALL WIDTH0.4521 INCHES MINIMUM AND 0.4531 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER1.0234 INCHES MINIMUM AND 1.0236 INCHES MAXIMUM IN
BORE SHAPESTRAIGHT
BORE DIAMETER0.3935 INCHES MINIMUM AND 0.3937 INCHES MAXIMUM IN
MATERIALSTEEL COMP E52100 BALL
MATERIALSTEEL COMP E52100 OUTER RING
MATERIALSTEEL SHIELD
MATERIALSTEEL COMP E52100 INNER RING
SUBSTITUTES & CROSS-REFERENCES 1
R100PPT3CK811Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2043993-1?
2043993-1 is a BEARING,BALL,ANNULAR.
What parts can replace 2043993-1?
There is 1 known substitute for 2043993-1: R100PPT3CK811. Substitute compatibility should be verified for your specific system.
What is the NSN for 2043993-1?
2043993-1 is cataloged in the U.S. Government catalog under NSN 3110-01-299-1965. 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.