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312334 LINE 21 — RETAINER,BALL,BEARING

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

312334 LINE 21: RETAINER,BALL,BEARING.

The RETAINER,BALL,BEARING is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 5086 OVERALL, material_document_and_classification: QQ-A-250/7 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-288-1538, 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
312334 LINE 21
NSN: 3110-01-288-1538
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 34712 — LAKE SHORE SYSTEMS, INC. (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 5086 OVERALL
material_document_and_classificationQQ-A-250/7 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN3110-01-288-1538
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 312334 LINE 21 · 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 DOCUMENT AND CLASSIFICATION: QQ-A-250/7 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: ALUMINUM ALLOY 5086 OVERALL
TECHNICAL CHARACTERISTICS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/7 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 5086 OVERALL
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 312334 LINE 21?
312334 LINE 21 is a RETAINER,BALL,BEARING.
What is the NSN for 312334 LINE 21?
312334 LINE 21 is cataloged in the U.S. Government catalog under NSN 3110-01-288-1538. 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.