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8725227 — HOUSING,BEARING UNIT

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

8725227: HOUSING,BEARING UNIT.

The HOUSING,BEARING UNIT is a the manufacturer industrial component. Key specifications include material: IRON MALLEABLE OVERALL, bore_diameter: 3.1495 INCHES MINIMUM AND 3.1501 INCHES MAXIMUM IN, housing_length: 1.0000 INCHES NOMINAL IN, housing_diameter: 3.6600 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3130-00-498-9359, 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
8725227
NSN: 3130-00-498-9359
FSC: 3130 — Bearings, Mounted
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialIRON MALLEABLE OVERALL
bore_diameter3.1495 INCHES MINIMUM AND 3.1501 INCHES MAXIMUM IN
housing_length1.0000 INCHES NOMINAL IN
housing_diameter3.6600 INCHES NOMINAL IN
NSN3130-00-498-9359
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 8725227 · 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
•
BORE DIAMETER: 3.1495 INCHES MINIMUM AND 3.1501 INCHES MAXIMUM IN
•
MATERIAL: IRON MALLEABLE OVERALL
•
HOUSING LENGTH: 1.0000 INCHES NOMINAL IN
•
HOUSING DIAMETER: 3.6600 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
BORE DIAMETER3.1495 INCHES MINIMUM AND 3.1501 INCHES MAXIMUM IN
MATERIALIRON MALLEABLE OVERALL
HOUSING LENGTH1.0000 INCHES NOMINAL IN
HOUSING DIAMETER3.6600 INCHES NOMINAL 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 1
2990004989359Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8725227?
8725227 is a HOUSING,BEARING UNIT.
What parts can replace 8725227?
There is 1 known substitute for 8725227: 2990004989359. Substitute compatibility should be verified for your specific system.
What is the NSN for 8725227?
8725227 is cataloged in the U.S. Government catalog under NSN 3130-00-498-9359. 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.