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SS8423 ✓ Verified by PartsTable
— · BALL BEARING
WHAT YOU NEED TO KNOW
2RS = sealed for life, ZZ = shielded re-greaseable ABEC grade: higher = tighter tolerance
ABEC-1 standard, ABEC-7+ for precision spindles
PRODUCT OVERVIEW

The LINER ASSEMBLY is a the manufacturer industrial component. Key specifications include special_features: 3 PIECE SEGMENTATION; 120.0 DEGREES EACH PIECE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-327-8677, 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
SS8423
NSN: 3120-01-327-8677
FSC: 3120
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)
SPECIFICATIONS
special_features3 PIECE SEGMENTATION; 120.0 DEGREES EACH PIECE
NSN3120-01-327-8677
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: SS8423 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURES3 PIECE SEGMENTATION; 120.0 DEGREES EACH PIECE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
65651-11327-102Interchangeable
interchangeable cross-reference
interchangeable
SS8798Interchangeable
interchangeable cross-reference
interchangeable
992417Interchangeable
interchangeable cross-reference
interchangeable
SS5202Interchangeable
interchangeable cross-reference
interchangeable
SS52Interchangeable
interchangeable cross-reference
interchangeable
5365-A212-03282Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SS8423?
SS8423 is a LINER ASSEMBLY.
What parts can replace SS8423?
There are 22 known substitutes for SS8423: 65651-11327-102, SS8798, 992417 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SS8423?
SS8423 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-327-8677. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026