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1244171-1 — HOUSING,BEARING UNIT

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

1244171-1: HOUSING,BEARING UNIT.

The HOUSING,BEARING UNIT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4340 OVERALL, bore_diameter: 11.5000 INCHES MINIMUM AND 11.5000 INCHES MINIMUM AND 11.5030 INCHES MAXIMUM11.5030 INCHES MAXIMUM IN, housing_length: 2.3900 INCHES MINIMUM AND 2.4000 INCHES MAXIMUM IN, housing_diameter: 13.9938 INCHES MINIMUM AND 13.9974 INCHES MAXIMUM IN, special_features: HEAT TREAT TO 160/180 KSI PER MIL-H-6875;PEACEKEEPER T7HHEAT TREAT TO 160/180 KSI PER MIL-H-6875;PEACEKEEPER T7H, countersink_angle: 100.0 DEGREES NOMINAL. This part is cataloged in the U.S.

Government catalog under NSN 3130-01-240-9632, 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
1244171-1
NSN: 3130-01-240-9632
FSC: 3130 — Bearings, Mounted
CAGE: 6K4C8 — GOODRICH CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 4340 OVERALL
bore_diameter11.5000 INCHES MINIMUM AND 11.5000 INCHES MINIMUM AND 11.5030 INCHES MAXIMUM11.5030 INCHES MAXIMUM IN
housing_length2.3900 INCHES MINIMUM AND 2.4000 INCHES MAXIMUM IN
housing_diameter13.9938 INCHES MINIMUM AND 13.9974 INCHES MAXIMUM IN
special_featuresHEAT TREAT TO 160/180 KSI PER MIL-H-6875;PEACEKEEPER T7HHEAT TREAT TO 160/180 KSI PER MIL-H-6875;PEACEKEEPER T7H
countersink_angle100.0 DEGREES NOMINAL
surface_treatmentCADMIUM AND CHROMIUM BORE
mounting_hole_typeROUND, UNTHREADED, COUNTERSUNKROUND, UNTHREADED, COUNTERSUNK
countersink_diameter0.420 INCHES NOMINAL0.420 INCHES NOMINAL IN
mounting_hole_diameter0.208 INCHES MINIMUM AND 0.214 INCHES MAXIMUM IN
assembly_overall_length3.5200 INCHES NOMINAL IN
material_document_and_classificationMIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN3130-01-240-9632
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 1244171-1 · 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
•
COUNTERSINK DIAMETER: 0.420 INCHES NOMINAL0.420 INCHES NOMINAL IN
•
ASSEMBLY OVERALL LENGTH: 3.5200 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 2,CLASS 1 FED SPEC 1ST TREATMENT RESPONSE AND QQ-C-320,CLASS 2 FED SPEC 2ND TREATMENT RESPONSE BORE
•
MOUNTING HOLE TYPE: ROUND, UNTHREADED, COUNTERSUNKROUND, UNTHREADED, COUNTERSUNK
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MOUNTING HOLE DIAMETER: 0.208 INCHES MINIMUM AND 0.214 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM AND CHROMIUM BORE
TECHNICAL CHARACTERISTICS
COUNTERSINK DIAMETER0.420 INCHES NOMINAL0.420 INCHES NOMINAL IN
ASSEMBLY OVERALL LENGTH3.5200 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 1 FED SPEC 1ST TREATMENT RESPONSE AND QQ-C-320,CLASS 2 FED SPEC 2ND TREATMENT RESPONSE BORE
MOUNTING HOLE TYPEROUND, UNTHREADED, COUNTERSUNKROUND, UNTHREADED, COUNTERSUNK
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MOUNTING HOLE DIAMETER0.208 INCHES MINIMUM AND 0.214 INCHES MAXIMUM IN
SPECIAL FEATURESHEAT TREAT TO 160/180 KSI PER MIL-H-6875;PEACEKEEPER T7HHEAT TREAT TO 160/180 KSI PER MIL-H-6875;PEACEKEEPER T7H
SURFACE TREATMENTCADMIUM AND CHROMIUM BORE
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
BORE DIAMETER11.5000 INCHES MINIMUM AND 11.5000 INCHES MINIMUM AND 11.5030 INCHES MAXIMUM11.5030 INCHES MAXIMUM 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 1244171-1?
1244171-1 is a HOUSING,BEARING UNIT.
What is the NSN for 1244171-1?
1244171-1 is cataloged in the U.S. Government catalog under NSN 3130-01-240-9632. 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.