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123WM10483-1 — BEARING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

123WM10483-1: BEARING,SLEEVE.

The BEARING,SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4340 OVERALL, corner_shape: SQUARE ALL CORNERS, overall_length: 1.4100 INCHES MINIMUM AND 1.4110 INCHES MAXIMUM IN, surface_finish: 125.0 MICROINCHES RIGHT END SURFACE OF BODY, hardness_rating: 43.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM OVERALL, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-079-7953, 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
123WM10483-1
NSN: 3120-00-079-7953
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 4340 OVERALL
corner_shapeSQUARE ALL CORNERS
overall_length1.4100 INCHES MINIMUM AND 1.4110 INCHES MAXIMUM IN
surface_finish125.0 MICROINCHES RIGHT END SURFACE OF BODY
hardness_rating43.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM OVERALL
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
surface_treatmentCHROMIUM OUTSIDE DIAMETER SURFACE OF BODY
body_inside_diameter1.2503 INCHES MINIMUM AND 1.2519 INCHES MAXIMUM IN
body_outside_diameter1.4335 INCHES MINIMUM AND 1.4345 INCHES MAXIMUM IN
lubricant_accommodation_styleGROOVED CIRCULAR
material_document_and_classificationMIL-S-8844,CL 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_groove_location_and_quantity1 EXTERNAL
NSN3120-00-079-7953
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 123WM10483-1 · 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
•
SURFACE FINISH: 125.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
•
CORNER SHAPE: SQUARE ALL CORNERS
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: GSS8250,CL 2,FSCM 26512 MFR REF SINGLE TREATMENT RESPONSE OUTSIDE DIAMETER SURFACE OF BODY
•
BODY OUTSIDE DIAMETER: 1.4335 INCHES MINIMUM AND 1.4345 INCHES MAXIMUM IN
•
HARDNESS RATING: 43.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM OVERALL
TECHNICAL CHARACTERISTICS
SURFACE FINISH125.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH125.0 MICROINCHES RIGHT END SURFACE OF BODY
SURFACE FINISH32.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH125.0 MICROINCHES LEFT END SURFACE OF BODY
CORNER SHAPESQUARE ALL CORNERS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONGSS8250,CL 2,FSCM 26512 MFR REF SINGLE TREATMENT RESPONSE OUTSIDE DIAMETER SURFACE OF BODY
BODY OUTSIDE DIAMETER1.4335 INCHES MINIMUM AND 1.4345 INCHES MAXIMUM IN
HARDNESS RATING43.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-8844,CL 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OTHER ITEMS IN FSC 3120 — Bearings, Plain, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3120-00-001-1288 3120-00-001-1835 3120-00-001-1838 3120-00-001-1928 3120-00-001-1934 3120-00-001-3933 3120-00-001-3937 3120-00-001-3938
SUBSTITUTES & CROSS-REFERENCES 1
123WM10483-611Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 123WM10483-1?
123WM10483-1 is a BEARING,SLEEVE.
What parts can replace 123WM10483-1?
There is 1 known substitute for 123WM10483-1: 123WM10483-611. Substitute compatibility should be verified for your specific system.
What is the NSN for 123WM10483-1?
123WM10483-1 is cataloged in the U.S. Government catalog under NSN 3120-00-079-7953. 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.