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3659409 — BEARING UNIT,PLAIN

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

3659409: BEARING UNIT,PLAIN.

The BEARING UNIT,PLAIN is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_diameter: 5.0000 INCHES NOMINAL IN, alignment_type: RIGID, housing_length: 2.2600 INCHES NOMINAL IN, housing_diameter: 6.6800 INCHES NOMINAL IN, load_capability_type: RADIAL AND THRUST. This part is cataloged in the U.S.

Government catalog under NSN 3130-01-644-4849, 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
3659409
NSN: 3130-01-644-4849
FSC: 3130 — Bearings, Mounted
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_diameter5.0000 INCHES NOMINAL IN
alignment_typeRIGID
housing_length2.2600 INCHES NOMINAL IN
housing_diameter6.6800 INCHES NOMINAL IN
load_capability_typeRADIAL AND THRUST
assembly_overall_length2.2900 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencyBEARING ASSY 5.00 X 6.68 X 2.26.TBR SINGLE ASSY AERO 4-8
NSN3130-01-644-4849
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 3659409 · 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
•
ASSEMBLY OVERALL LENGTH: 2.2900 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CYLINDRICAL CARTRIDGE
•
ALIGNMENT TYPE: RIGID
•
BORE DIAMETER: 5.0000 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
HOUSING LENGTH: 2.2600 INCHES NOMINAL IN
•
HOUSING DIAMETER: 6.6800 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
ASSEMBLY OVERALL LENGTH2.2900 INCHES NOMINAL IN
STYLE DESIGNATORCYLINDRICAL CARTRIDGE
ALIGNMENT TYPERIGID
PART NAME ASSIGNED BY CONTROLLING AGENCYBEARING ASSY 5.00 X 6.68 X 2.26.TBR SINGLE ASSY AERO 4-8
BORE DIAMETER5.0000 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
HOUSING LENGTH2.2600 INCHES NOMINAL IN
HOUSING DIAMETER6.6800 INCHES NOMINAL IN
LOAD CAPABILITY TYPERADIAL AND THRUST
OTHER ITEMS IN FSC 3130 — Bearings, Mounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3130-00-001-5118 3130-00-001-5137 3130-00-001-6585 3130-00-003-0422 3130-00-003-0455 3130-00-003-0794 3130-00-003-2802 3130-00-003-9535
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 3659409?
3659409 is a BEARING UNIT,PLAIN.
What is the NSN for 3659409?
3659409 is cataloged in the U.S. Government catalog under NSN 3130-01-644-4849. 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.