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Technical Data Sheet
PartsTable / COMPONENT / C347-7
C347-7 ✓ 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 BEARING,PLAIN,SELF-ALIGNING is a the manufacturer industrial component. Key specifications include outside_diameter: 2.460 INCHES NOMINAL IN, attachment_method: HOLE, fsc_application_data: MANIFOLD ASSEMBLY. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-905-3195, 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
C347-7
NSN: 3120-00-905-3195
FSC: 3120
CAGE: 81755 — LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY (USA)
SPECIFICATIONS
outside_diameter2.460 INCHES NOMINAL IN
attachment_methodHOLE
fsc_application_dataMANIFOLD ASSEMBLY
NSN3120-00-905-3195
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: C347-7 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
852064Interchangeable
interchangeable cross-reference
interchangeable
MCBW2049BSInterchangeable
interchangeable cross-reference
interchangeable
31135Interchangeable
interchangeable cross-reference
interchangeable
685RH-11/16-5/8SInterchangeable
interchangeable cross-reference
interchangeable
716-020565Interchangeable
interchangeable cross-reference
interchangeable
55523Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C347-7?
C347-7 is a BEARING,PLAIN,SELF-ALIGNING.
What parts can replace C347-7?
There are 9 known substitutes for C347-7: 852064, MCBW2049BS, 31135 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C347-7?
C347-7 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-905-3195. 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