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8449944 — HOUSING,BEARING UNIT

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

8449944: HOUSING,BEARING UNIT.

The HOUSING,BEARING UNIT is a the manufacturer industrial component. Key specifications include material: ALUMINUM HOUSING, bore_diameter: 1.0300 INCHES MINIMUM AND 1.0600 INCHES MAXIMUM IN, housing_height: 2.0600 INCHES NOMINAL IN, housing_length: 0.6480 INCHES NOMINAL IN, shaft_end_type: OPEN, flange_thickness: 0.0700 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3130-00-404-7466, 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
8449944
NSN: 3130-00-404-7466
FSC: 3130 — Bearings, Mounted
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
materialALUMINUM HOUSING
bore_diameter1.0300 INCHES MINIMUM AND 1.0600 INCHES MAXIMUM IN
housing_height2.0600 INCHES NOMINAL IN
housing_length0.6480 INCHES NOMINAL IN
shaft_end_typeOPEN
flange_thickness0.0700 INCHES NOMINAL IN
style_designatorFLANGE BLOCK
bolt_circle_diameter1.4200 INCHES NOMINAL IN
mounting_hole_diameter0.2200 INCHES MINIMUM AND 0.2260 INCHES MAXIMUM IN
overall_outside_diameter2.3900 INCHES NOMINAL IN
height_from_bottom_of_base_to_bore_centerline0.7800 INCHES NOMINAL IN
NSN3130-00-404-7466
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 8449944 · 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: 2.0600 INCHES NOMINAL IN
•
FLANGE THICKNESS: 0.0700 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLANGE BLOCK
•
MOUNTING HOLE DIAMETER: 0.2200 INCHES MINIMUM AND 0.2260 INCHES MAXIMUM IN
•
OVERALL OUTSIDE DIAMETER: 2.3900 INCHES NOMINAL IN
•
BOLT CIRCLE DIAMETER: 1.4200 INCHES NOMINAL IN
•
SHAFT END TYPE: OPEN
•
BORE DIAMETER: 1.0300 INCHES MINIMUM AND 1.0600 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
HOUSING HEIGHT2.0600 INCHES NOMINAL IN
FLANGE THICKNESS0.0700 INCHES NOMINAL IN
STYLE DESIGNATORFLANGE BLOCK
MOUNTING HOLE DIAMETER0.2200 INCHES MINIMUM AND 0.2260 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER2.3900 INCHES NOMINAL IN
BOLT CIRCLE DIAMETER1.4200 INCHES NOMINAL IN
SHAFT END TYPEOPEN
BORE DIAMETER1.0300 INCHES MINIMUM AND 1.0600 INCHES MAXIMUM IN
MATERIALALUMINUM HOUSING
HOUSING LENGTH0.6480 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)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8449944?
8449944 is a HOUSING,BEARING UNIT.
What is the NSN for 8449944?
8449944 is cataloged in the U.S. Government catalog under NSN 3130-00-404-7466. 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.