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5219918-2 — HOUSING,BEARING UNIT

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

5219918-2: HOUSING,BEARING UNIT.

The HOUSING,BEARING UNIT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140 OVERALL, base_length: 0.800 INCHES NOMINAL IN, bore_diameter: 1.8120 INCHES MINIMUM AND 1.8220 INCHES MAXIMUM IN, housing_width: 4.750 INCHES NOMINAL IN, base_thickness: 1.125 INCHES NOMINAL IN, housing_height: 4.750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3130-01-296-0417, 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
5219918-2
NSN: 3130-01-296-0417
FSC: 3130 — Bearings, Mounted
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL COMP 4140 OVERALL
base_length0.800 INCHES NOMINAL IN
bore_diameter1.8120 INCHES MINIMUM AND 1.8220 INCHES MAXIMUM IN
housing_width4.750 INCHES NOMINAL IN
base_thickness1.125 INCHES NOMINAL IN
housing_height4.750 INCHES NOMINAL IN
shaft_end_typeOPEN
special_features3 THREADED MOUNTING HOLES,0.2500 IN. DIA IN
counterbore_depth2.620 INCHES MINIMUM AND 2.655 INCHES MAXIMUM IN
mounting_hole_typeROUND, UNTHREADED, COUNTERBORED
counterbore_diameter0.483 INCHES MINIMUM AND 0.503 INCHES MAXIMUM IN
lubrication_materialLUBRICANT DRY FILM
NSN3130-01-296-0417
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 5219918-2 · 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
•
LUBRICATION MATERIAL: LUBRICANT DRY FILM
•
HOUSING HEIGHT: 4.750 INCHES NOMINAL IN
•
MOUNTING HOLE TYPE: ROUND, UNTHREADED, COUNTERBORED
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
MOUNTING HOLE DIAMETER: 0.468 INCHES MINIMUM AND 0.478 INCHES MAXIMUM IN
•
COUNTERBORE DEPTH: 2.620 INCHES MINIMUM AND 2.655 INCHES MAXIMUM IN
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG WIDTH: 2.750 INCHES NOMINAL IN
•
COUNTERBORE DIAMETER: 0.483 INCHES MINIMUM AND 0.503 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
LUBRICATION MATERIALLUBRICANT DRY FILM
HOUSING HEIGHT4.750 INCHES NOMINAL IN
MOUNTING HOLE TYPEROUND, UNTHREADED, COUNTERBORED
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MOUNTING HOLE DIAMETER0.468 INCHES MINIMUM AND 0.478 INCHES MAXIMUM IN
COUNTERBORE DEPTH2.620 INCHES MINIMUM AND 2.655 INCHES MAXIMUM IN
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG WIDTH2.750 INCHES NOMINAL IN
COUNTERBORE DIAMETER0.483 INCHES MINIMUM AND 0.503 INCHES MAXIMUM IN
HOUSING WIDTH4.750 INCHES NOMINAL IN
BASE LENGTH0.800 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 5219918-2?
5219918-2 is a HOUSING,BEARING UNIT.
What is the NSN for 5219918-2?
5219918-2 is cataloged in the U.S. Government catalog under NSN 3130-01-296-0417. This indicates validated use in U.S. government and defense supply chains.
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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.