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R77394 — BEARING,NEEDLE

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

R77394: BEARING,NEEDLE.

The BEARING,NEEDLE is a the manufacturer industrial component. Key specifications include end_item_identification: AIR COMPRESSOR. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-210-1872, 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
R77394
NSN: 3110-01-210-1872
NIINs: 012101872, 013019116
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 88663 — DRESSER-RAND CO INGERSOLL-RAND OPNS A JOINT VENTURE (USA)
SPECIFICATIONS
end_item_identificationAIR COMPRESSOR
NSN3110-01-210-1872
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: R77394 · 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
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 R77394?
R77394 is a BEARING,NEEDLE.
What is the NSN for R77394?
R77394 is cataloged in the U.S. Government catalog under NSN 3110-01-210-1872. 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.