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2553276 — BEARING,BALL,AIRFRAME

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

2553276: BEARING,BALL,AIRFRAME.

The BEARING,BALL,AIRFRAME is a the manufacturer industrial component. Key specifications include material: STEEL COMP 440C OVERALL, bore_diameter: 0.7490 INCHES MINIMUM AND 0.7510 INCHES MAXIMUM IN, load_direction: RADIAL, inner_ring_width: 0.2450 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN, outer_ring_width: 0.2760 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM IN, style_designator: SINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURE. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-027-5012, 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
2553276
NSN: 3110-00-027-5012
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL COMP 440C OVERALL
bore_diameter0.7490 INCHES MINIMUM AND 0.7510 INCHES MAXIMUM IN
load_directionRADIAL
inner_ring_width0.2450 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
outer_ring_width0.2760 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM IN
style_designatorSINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURE
surface_treatmentPASSIVATE OVERALL
overall_outside_diameter1.1865 INCHES MINIMUM AND 1.1875 INCHES MAXIMUM IN
material_document_and_classificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationASTM 380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
lubrication_material_document_and_classificationMIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE
NSN3110-00-027-5012
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 2553276 · 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
•
OUTER RING WIDTH: 0.2760 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM 380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
STYLE DESIGNATOR: SINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OVERALL OUTSIDE DIAMETER: 1.1865 INCHES MINIMUM AND 1.1875 INCHES MAXIMUM IN
•
LOAD DIRECTION: RADIAL
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
BORE DIAMETER: 0.7490 INCHES MINIMUM AND 0.7510 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OUTER RING WIDTH0.2760 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM 380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
STYLE DESIGNATORSINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL OUTSIDE DIAMETER1.1865 INCHES MINIMUM AND 1.1875 INCHES MAXIMUM IN
LOAD DIRECTIONRADIAL
SURFACE TREATMENTPASSIVATE OVERALL
BORE DIAMETER0.7490 INCHES MINIMUM AND 0.7510 INCHES MAXIMUM IN
MATERIALSTEEL COMP 440C OVERALL
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE
OTHER ITEMS IN FSC 3110 — Bearings, Antifriction, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3110-00-001-1937 3110-00-001-1938 3110-00-001-4661 3110-00-001-4662 3110-00-001-4689 3110-00-001-4722
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 2553276?
2553276 is a BEARING,BALL,AIRFRAME.
What is the NSN for 2553276?
2553276 is cataloged in the U.S. Government catalog under NSN 3110-00-027-5012. 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.