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Technical Data Sheet
PartsTable / COMPONENT / S23904
S23904 ✓ Verified by PartsTable
— · BALL BEARING
WHAT YOU NEED TO KNOW
2RS = sealed for life, ZZ = shielded re-greaseable ABEC grade: higher = tighter tolerance
ABEC-1 standard, ABEC-7+ for precision spindles
PRODUCT OVERVIEW

The SPRING ASSEMBLY,LEAF is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1020 OVERALL, corner_shape: CHAMFERED ALL CORNERS, hole_diameter: 0.2500 INCHES NOMINAL FIRST IN, overall_length: 1.0000 INCHES NOMINAL IN, hardness_rating: 57.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-045-9358, 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
S23904
NSN: 3120-00-045-9358
FSC: 3120
CAGE: 10988 — CNH INDUSTRIAL AMERICA LLC DBA CNH AMERICA (USA)
SPECIFICATIONS
materialSTEEL COMP 1020 OVERALL
corner_shapeCHAMFERED ALL CORNERS
hole_diameter0.2500 INCHES NOMINAL FIRST IN
overall_length1.0000 INCHES NOMINAL IN
hardness_rating57.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
features_providedCASEHARDENED
body_inside_diameter1.5120 INCHES MINIMUM AND 1.5140 INCHES MAXIMUM IN
body_outside_diameter2.0040 INCHES MINIMUM AND 2.0050 INCHES MAXIMUM IN
lubricant_accommodation_styleGROOVED CIRCULAR
material_document_and_classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
surface_groove_location_and_quantity1 EXTERNAL
NSN3120-00-045-9358
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: S23904 · 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
•
MATERIAL: OIL LUBRICATING LUBRICATION
•
HARDNESS RATING: 57.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL
•
FEATURES PROVIDED: CASEHARDENED
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
ANTIROTATION/LUBRICATION TYPE AND QUANTITY: 1 HOLE
•
SURFACE GROOVE LOCATION AND QUANTITY: 1 EXTERNAL
•
BODY OUTSIDE DIAMETER: 2.0040 INCHES MINIMUM AND 2.0050 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALOIL LUBRICATING LUBRICATION
OVERALL LENGTH1.0000 INCHES NOMINAL IN
HARDNESS RATING57.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL
FEATURES PROVIDEDCASEHARDENED
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
ANTIROTATION/LUBRICATION TYPE AND QUANTITY1 HOLE
SURFACE GROOVE LOCATION AND QUANTITY1 EXTERNAL
BODY OUTSIDE DIAMETER2.0040 INCHES MINIMUM AND 2.0050 INCHES MAXIMUM IN
MATERIALSTEEL COMP 1020 OVERALL
LUBRICANT ACCOMMODATION STYLEGROOVED CIRCULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
23904Interchangeable
interchangeable cross-reference
interchangeable
205-075-388-1Interchangeable
interchangeable cross-reference
interchangeable
1704-1001-2Interchangeable
interchangeable cross-reference
interchangeable
707299-03Interchangeable
interchangeable cross-reference
interchangeable
10003161Interchangeable
interchangeable cross-reference
interchangeable
173254Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S23904?
S23904 is a SPRING ASSEMBLY,LEAF.
What parts can replace S23904?
There are 6 known substitutes for S23904: 23904, 205-075-388-1, 1704-1001-2 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S23904?
S23904 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-045-9358. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026