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12273400 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

12273400: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL COMP 440C OVERALL, bore_shape: STRAIGHT, flange_width: 0.0230 INCHES MINIMUM AND 0.0460 INCHES MAXIMUM IN, bore_diameter: 0.2498 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN, overall_width: 0.1880 INCHES MINIMUM AND 0.1890 INCHES MAXIMUM IN, load_direction: ANGULAR. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-129-2774, 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
12273400
NSN: 3110-01-129-2774
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 00141 — ROLLER BEARING CO OF AMERICA, INC DIV PIC DESIGN (USA)
SPECIFICATIONS
materialSTEEL COMP 440C OVERALL
bore_shapeSTRAIGHT
flange_width0.0230 INCHES MINIMUM AND 0.0460 INCHES MAXIMUM IN
bore_diameter0.2498 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
overall_width0.1880 INCHES MINIMUM AND 0.1890 INCHES MAXIMUM IN
load_directionANGULAR
surface_finishGROUND
style_designatorLOADING GROOVE, NON-SEPARABLE
flange_outside_diameter0.5470 INCHES NOMINAL IN
outer_ring_outside_diameter0.4998 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
material_document_and_classificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN3110-01-129-2774
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 12273400 · 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
•
FLANGE OUTSIDE DIAMETER: 0.5470 INCHES NOMINAL IN
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: LOADING GROOVE, NON-SEPARABLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
BORE SHAPE: STRAIGHT
•
LOAD DIRECTION: ANGULAR
•
FLANGE WIDTH: 0.0230 INCHES MINIMUM AND 0.0460 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
FLANGE OUTSIDE DIAMETER0.5470 INCHES NOMINAL IN
SURFACE FINISHGROUND
STYLE DESIGNATORLOADING GROOVE, NON-SEPARABLE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL WIDTH0.1880 INCHES MINIMUM AND 0.1890 INCHES MAXIMUM IN
BORE SHAPESTRAIGHT
LOAD DIRECTIONANGULAR
FLANGE WIDTH0.0230 INCHES MINIMUM AND 0.0460 INCHES MAXIMUM IN
OUTER RING OUTSIDE DIAMETER0.4998 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
BORE DIAMETER0.2498 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12273400?
12273400 is a BEARING,BALL,ANNULAR.
What is the NSN for 12273400?
12273400 is cataloged in the U.S. Government catalog under NSN 3110-01-129-2774. 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.