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64AX239 — HOUSING,BEARING UNIT

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

64AX239: HOUSING,BEARING UNIT.

The HOUSING,BEARING UNIT is a the manufacturer industrial component. Key specifications include flange_thickness: 1.75 INCHES NOMINAL IN, end_item_identification: MRAP - UNIQUE NSN - BUFFALO; MRAP BUFFALO MK2A2, overall_outside_diameter: 5.375 INCHES NOMINAL IN, part_name_assigned_by_controlling_agency: BEARING 5.375 OD, 1.75 THK. This part is cataloged in the U.S.

Government catalog under NSN 3130-01-152-3726, 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
64AX239
NSN: 3130-01-152-3726
FSC: 3130 — Bearings, Mounted
CAGE: 89619 — MACK TRUCKS, INC. DBA MACUNGIE OPERATIONS DIV LEHIGH VALLEY OPERATIONS (USA)
SPECIFICATIONS
flange_thickness1.75 INCHES NOMINAL IN
end_item_identificationMRAP - UNIQUE NSN - BUFFALO; MRAP BUFFALO MK2A2
overall_outside_diameter5.375 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencyBEARING 5.375 OD, 1.75 THK
NSN3130-01-152-3726
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 64AX239 · 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
•
FLANGE THICKNESS: 1.75 INCHES NOMINAL IN
•
OVERALL OUTSIDE DIAMETER: 5.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FLANGE THICKNESS1.75 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER5.375 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYBEARING 5.375 OD, 1.75 THK
END ITEM IDENTIFICATIONMRAP - UNIQUE NSN - BUFFALO; MRAP BUFFALO MK2A2
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 3
8236-47623ASame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
10026312Reference document
Same NSN cross-reference
Reference document — Secondary reference
25499708Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 64AX239?
64AX239 is a HOUSING,BEARING UNIT.
What parts can replace 64AX239?
There are 3 known substitutes for 64AX239: 8236-47623A, 10026312, 25499708. Substitute compatibility should be verified for your specific system.
What is the NSN for 64AX239?
64AX239 is cataloged in the U.S. Government catalog under NSN 3130-01-152-3726. 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.