PartsTable
Technical Data Sheet
PartsTable / COMPONENT / H256102-7
H256102-7 ✓ 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 BEARING,SLEEVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, corner_shape: SQUARE INSIDE RIGHT CORNER, flange_width: 0.3680 INCHES MINIMUM AND 0.3710 INCHES MAXIMUM IN, overall_length: 1.4375 INCHES NOMINAL IN, style_designator: SOLID, EXTERNAL FLANGE ONE END, INTERNAL FLANGE ONE END, body_inside_diameter: 4.1250 INCHES MINIMUM AND 4.1280 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-339-2620, 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
H256102-7
NSN: 3120-00-339-2620
FSC: 3120
CAGE: 0UBG9 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DIV EPD (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
corner_shapeSQUARE INSIDE RIGHT CORNER
flange_width0.3680 INCHES MINIMUM AND 0.3710 INCHES MAXIMUM IN
overall_length1.4375 INCHES NOMINAL IN
style_designatorSOLID, EXTERNAL FLANGE ONE END, INTERNAL FLANGE ONE END
body_inside_diameter4.1250 INCHES MINIMUM AND 4.1280 INCHES MAXIMUM IN
body_outside_diameter4.6210 INCHES MINIMUM AND 4.6230 INCHES MAXIMUM IN
flange_outside_diameter4.8750 INCHES NOMINAL IN
right_internal_flange_width0.4375 INCHES NOMINAL IN
right_internal_flange_hole_diameter3.1560 INCHES NOMINAL IN
NSN3120-00-339-2620
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: H256102-7 · 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
•
BODY OUTSIDE DIAMETER: 4.6210 INCHES MINIMUM AND 4.6230 INCHES MAXIMUM IN
•
RIGHT INTERNAL FLANGE HOLE DIAMETER: 3.1560 INCHES NOMINAL IN
•
RIGHT INTERNAL FLANGE WIDTH: 0.4375 INCHES NOMINAL IN
•
FLANGE OUTSIDE DIAMETER: 4.8750 INCHES NOMINAL IN
•
FLANGE WIDTH: 0.3680 INCHES MINIMUM AND 0.3710 INCHES MAXIMUM IN
•
BODY INSIDE DIAMETER: 4.1250 INCHES MINIMUM AND 4.1280 INCHES MAXIMUM IN
•
CORNER SHAPE: SQUARE OUTSIDE LEFT CORNER
TECHNICAL CHARACTERISTICS (FLIS)
BODY OUTSIDE DIAMETER4.6210 INCHES MINIMUM AND 4.6230 INCHES MAXIMUM IN
RIGHT INTERNAL FLANGE HOLE DIAMETER3.1560 INCHES NOMINAL IN
RIGHT INTERNAL FLANGE WIDTH0.4375 INCHES NOMINAL IN
FLANGE OUTSIDE DIAMETER4.8750 INCHES NOMINAL IN
FLANGE WIDTH0.3680 INCHES MINIMUM AND 0.3710 INCHES MAXIMUM IN
BODY INSIDE DIAMETER4.1250 INCHES MINIMUM AND 4.1280 INCHES MAXIMUM IN
OVERALL LENGTH1.4375 INCHES NOMINAL IN
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END, INTERNAL FLANGE ONE END
MATERIALCOPPER ALLOY OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
AM3A6UL15-20Interchangeable
interchangeable cross-reference
interchangeable
40751Interchangeable
interchangeable cross-reference
interchangeable
APL111-1-6-600-153Interchangeable
interchangeable cross-reference
interchangeable
9494PInterchangeable
Same NIIN cross-reference
interchangeable
CVB41S4700-58ALT2PC112Interchangeable
Same NIIN cross-reference
interchangeable
SL6115PC112Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is H256102-7?
H256102-7 is a BEARING,SLEEVE.
What parts can replace H256102-7?
There are 9 known substitutes for H256102-7: AM3A6UL15-20, 40751, APL111-1-6-600-153 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for H256102-7?
H256102-7 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-339-2620. 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