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2A164 — HOUSING,BEARING UNIT

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

2A164: HOUSING,BEARING UNIT.

The HOUSING,BEARING UNIT is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_diameter: 8.0000 INCHES NOMINAL IN, housing_length: 2.7812 INCHES MINIMUM AND 2.8750 INCHES MAXIMUM IN, housing_diameter: 10.4840 INCHES MINIMUM AND 10.4870 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3130-00-149-8459, 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
2A164
NSN: 3130-00-149-8459
FSC: 3130 — Bearings, Mounted
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_diameter8.0000 INCHES NOMINAL IN
housing_length2.7812 INCHES MINIMUM AND 2.8750 INCHES MAXIMUM IN
housing_diameter10.4840 INCHES MINIMUM AND 10.4870 INCHES MAXIMUM IN
NSN3130-00-149-8459
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 2A164 · 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
•
STYLE DESIGNATOR: SPHERICAL CARTRIDGE
•
BORE DIAMETER: 8.0000 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
HOUSING LENGTH: 2.7812 INCHES MINIMUM AND 2.8750 INCHES MAXIMUM IN
•
HOUSING DIAMETER: 10.4840 INCHES MINIMUM AND 10.4870 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSPHERICAL CARTRIDGE
BORE DIAMETER8.0000 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
HOUSING LENGTH2.7812 INCHES MINIMUM AND 2.8750 INCHES MAXIMUM IN
HOUSING DIAMETER10.4840 INCHES MINIMUM AND 10.4870 INCHES MAXIMUM IN
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2A164?
2A164 is a HOUSING,BEARING UNIT.
What is the NSN for 2A164?
2A164 is cataloged in the U.S. Government catalog under NSN 3130-00-149-8459. 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.