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541944 — HOUSING,BEARING UNIT

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

541944: HOUSING,BEARING UNIT.

The HOUSING,BEARING UNIT is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, bore_diameter: 0.2750 INCHES MINIMUM AND 0.2850 INCHES MAXIMUM IN, housing_width: 0.130 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN, housing_length: 0.865 INCHES NOMINAL IN, flange_thickness: 0.0500 INCHES MINIMUM AND 0.0700 INCHES MAXIMUM IN, material_document_and_classification: AMS 5616 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 3130-00-933-2009, 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
541944
NSN: 3130-00-933-2009
FSC: 3130 — Bearings, Mounted
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
bore_diameter0.2750 INCHES MINIMUM AND 0.2850 INCHES MAXIMUM IN
housing_width0.130 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
housing_length0.865 INCHES NOMINAL IN
flange_thickness0.0500 INCHES MINIMUM AND 0.0700 INCHES MAXIMUM IN
material_document_and_classificationAMS 5616 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN3130-00-933-2009
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 541944 · 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
•
FLANGE THICKNESS: 0.0500 INCHES MINIMUM AND 0.0700 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5616 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
HOUSING WIDTH: 0.130 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
•
BORE DIAMETER: 0.2750 INCHES MINIMUM AND 0.2850 INCHES MAXIMUM IN
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
HOUSING LENGTH: 0.865 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FLANGE THICKNESS0.0500 INCHES MINIMUM AND 0.0700 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5616 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HOUSING WIDTH0.130 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
BORE DIAMETER0.2750 INCHES MINIMUM AND 0.2850 INCHES MAXIMUM IN
MATERIALSTEEL CORROSION RESISTING OVERALL
HOUSING LENGTH0.865 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 541944?
541944 is a HOUSING,BEARING UNIT.
What is the NSN for 541944?
541944 is cataloged in the U.S. Government catalog under NSN 3130-00-933-2009. 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.