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5492321 — BEARING UNIT,ROLLER

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

5492321: BEARING UNIT,ROLLER.

The BEARING UNIT,ROLLER is a the manufacturer industrial component. Key specifications include housing_height: 3.1210 INCHES NOMINAL IN, housing_length: 73.5000 INCHES NOMINAL IN, center_to_center_distance_between_mounting_holes_along_length: 67.7500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3130-01-382-0116, 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
5492321
NSN: 3130-01-382-0116
FSC: 3130 — Bearings, Mounted
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
housing_height3.1210 INCHES NOMINAL IN
housing_length73.5000 INCHES NOMINAL IN
center_to_center_distance_between_mounting_holes_along_length67.7500 INCHES NOMINAL IN
NSN3130-01-382-0116
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 5492321 · 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
•
HOUSING HEIGHT: 3.1210 INCHES NOMINAL IN
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG LENGTH: 67.7500 INCHES NOMINAL IN
•
HOUSING LENGTH: 73.5000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
HOUSING HEIGHT3.1210 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG LENGTH67.7500 INCHES NOMINAL IN
HOUSING LENGTH73.5000 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
842.10.1775.004.34.1211Reference 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 5492321?
5492321 is a BEARING UNIT,ROLLER.
What parts can replace 5492321?
There is 1 known substitute for 5492321: 842.10.1775.004.34.1211. Substitute compatibility should be verified for your specific system.
What is the NSN for 5492321?
5492321 is cataloged in the U.S. Government catalog under NSN 3130-01-382-0116. 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.