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1138526 — HOUSING,BEARING UNIT

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

1138526: HOUSING,BEARING UNIT.

The HOUSING,BEARING UNIT is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY OVERALL, first_end_style: SQUARE, surface_treatment: ANODIZE OVERALL, pin_overall_length: 0.250 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN, pin_overall_diameter: 0.0550 INCHES MINIMUM AND 0.0560 INCHES MAXIMUM IN, material_document_and_classification: AMS 4112 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 3130-00-614-1476, 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
1138526
NSN: 3130-00-614-1476
FSC: 3130 — Bearings, Mounted
CAGE: 12204 — CHRYSLER REALTY COMPANY LLC DBA DAIMLER CHRYSLER (USA)
SPECIFICATIONS
materialALUMINUM ALLOY OVERALL
first_end_styleSQUARE
surface_treatmentANODIZE OVERALL
pin_overall_length0.250 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
pin_overall_diameter0.0550 INCHES MINIMUM AND 0.0560 INCHES MAXIMUM IN
material_document_and_classificationAMS 4112 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
second_end_relationship_with_first_endIDENTICAL
surface_treatment_document_and_classificationMIL-A-8625,TY 1,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN3130-00-614-1476
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 1138526 · 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
SUBSTITUTES & CROSS-REFERENCES 3
152378Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
MCH1051Reference document
Same NSN cross-reference
Reference document — Secondary reference
614991Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1138526?
1138526 is a HOUSING,BEARING UNIT.
What parts can replace 1138526?
There are 3 known substitutes for 1138526: 152378, MCH1051, 614991. Substitute compatibility should be verified for your specific system.
What is the NSN for 1138526?
1138526 is cataloged in the U.S. Government catalog under NSN 3130-00-614-1476. 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.