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152B4027 — BEARING UNIT,BALL

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

152B4027: BEARING UNIT,BALL.

The BEARING UNIT,BALL is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130 HOUSING, bore_diameter: 1.8900 INCHES MINIMUM AND 1.8950 INCHES MAXIMUM IN, housing_length: 0.250 INCHES NOMINAL IN, flange_thickness: 0.122 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN, housing_diameter: 2.063 INCHES MINIMUM AND 2.069 INCHES MAXIMUM IN, surface_treatment: CADMIUM HOUSING. This part is cataloged in the U.S.

Government catalog under NSN 3130-00-797-4130, 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
152B4027
NSN: 3130-00-797-4130
FSC: 3130 — Bearings, Mounted
CAGE: 72429 — MISSION SYSTEMS DAVENPORT INC. (USA)
SPECIFICATIONS
materialSTEEL COMP 4130 HOUSING
bore_diameter1.8900 INCHES MINIMUM AND 1.8950 INCHES MAXIMUM IN
housing_length0.250 INCHES NOMINAL IN
flange_thickness0.122 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN
housing_diameter2.063 INCHES MINIMUM AND 2.069 INCHES MAXIMUM IN
surface_treatmentCADMIUM HOUSING
overall_outside_diameter2.250 INCHES NOMINAL IN
material_document_and_classificationMIL-T-6736 MIL SPEC SINGLE MATERIAL RESPONSE HOUSING
surface_treatment_document_and_classificationQQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE HOUSING
NSN3130-00-797-4130
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 152B4027 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE HOUSING
•
FLANGE THICKNESS: 0.122 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-T-6736 MIL SPEC SINGLE MATERIAL RESPONSE HOUSING
•
OVERALL OUTSIDE DIAMETER: 2.250 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM HOUSING
•
BORE DIAMETER: 1.8900 INCHES MINIMUM AND 1.8950 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 4130 HOUSING
•
HOUSING LENGTH: 0.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE HOUSING
FLANGE THICKNESS0.122 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-T-6736 MIL SPEC SINGLE MATERIAL RESPONSE HOUSING
OVERALL OUTSIDE DIAMETER2.250 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM HOUSING
BORE DIAMETER1.8900 INCHES MINIMUM AND 1.8950 INCHES MAXIMUM IN
MATERIALSTEEL COMP 4130 HOUSING
HOUSING LENGTH0.250 INCHES NOMINAL IN
HOUSING DIAMETER2.063 INCHES MINIMUM AND 2.069 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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 152B4027?
152B4027 is a BEARING UNIT,BALL.
What is the NSN for 152B4027?
152B4027 is cataloged in the U.S. Government catalog under NSN 3130-00-797-4130. 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.