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7679-1 — BEARING,PLAIN,SELF-ALIGNING

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

7679-1: BEARING,PLAIN,SELF-ALIGNING.

The BEARING,PLAIN,SELF-ALIGNING is a the manufacturer industrial component. Key specifications include special_features: WEAPONS SYSTEM ESSENTIAL, end_item_identification: CRSHW FUEL TANK 650G, HELICOPTER, SOF / HH-53H PAVE LOW, HELICOPTER, SUPER JOLLY H-53 G, criticality_code_justification: FEAT. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-026-2938, 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
MRO→ MRO_GENERAL→ 7679-1
NSN: 3120-00-026-2938
NIINs: 000262938, 000620774, 012081213, 012765109, 015667985
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 09455 — RBC TRANSPORT DYNAMICS CORP DIV RBC TRANSPORT DYNAMICS (USA)
SPECIFICATIONS
special_featuresWEAPONS SYSTEM ESSENTIAL
end_item_identificationCRSHW FUEL TANK 650G, HELICOPTER, SOF / HH-53H PAVE LOW, HELICOPTER, SUPER JOLLY H-53 G
criticality_code_justificationFEAT
NSN3120-00-026-2938
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 7679-1 · 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
KEY FEATURES
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INNER MEMBER WIDTH: 0.4350 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN
•
HARDNESS RATING: 55.0 ROCKWELL C MINIMUM INNER MEMBER
•
OUTER MEMBER WIDTH: 0.3380 INCHES MINIMUM AND 0.3480 INCHES MAXIMUM IN
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STYLE DESIGNATOR: WITH INSERT AND/OR LINER
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STATIC RADIAL LOAD RATING: 132000 POUNDS LBS
•
BORE DIAMETER: 0.4070 INCHES MINIMUM AND 0.4075 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 440C INNER MEMBER
TECHNICAL CHARACTERISTICS
INNER MEMBER WIDTH0.4350 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN
HARDNESS RATING55.0 ROCKWELL C MINIMUM INNER MEMBER
HARDNESS RATING23.0 ROCKWELL C MINIMUM OUTER RACE MEMBER
OUTER MEMBER WIDTH0.3380 INCHES MINIMUM AND 0.3480 INCHES MAXIMUM IN
STYLE DESIGNATORWITH INSERT AND/OR LINER
STATIC RADIAL LOAD RATING132000 POUNDS LBS
BORE DIAMETER0.4070 INCHES MINIMUM AND 0.4075 INCHES MAXIMUM IN
MATERIALSTEEL COMP 440C INNER MEMBER
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE BORE LINER
MATERIALSTEEL COMP 630 OR STEEL COMP 631 OR STEEL COMP 410 OUTER RACE MEMBER
SUBSTITUTES & CROSS-REFERENCES 2
GB520DS1Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
KNDB7-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 7679-1?
7679-1 is a BEARING,PLAIN,SELF-ALIGNING. It is classified as a MRO (MRO_GENERAL).
What parts can replace 7679-1?
There are 2 known substitutes for 7679-1: GB520DS1, KNDB7-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 7679-1?
7679-1 is cataloged in the U.S. Government catalog under NSN 3120-00-026-2938. This indicates validated use in U.S. government and defense supply chains.
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