PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 254838-02
254838-02 ✓ 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 MICROCIRCUIT,DIGITAL is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, corner_shape: SQUARE OUTSIDE RIGHT CORNER, overall_length: 3.7600 INCHES NOMINAL IN, keyway_dimension: 0.1250 INCHES NOMINAL INTERNAL KEYWAY WIDTH IN, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 0.9980 INCHES NOMINAL 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 3120-00-218-3261, 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
254838-02
NSN: 3120-00-218-3261
FSC: 3120
CAGE: 93232 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS WRIGHT ENGINEERED PUMP DIVISION USE CAGE CODE 0UBG9 FOR CATALOGING (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
corner_shapeSQUARE OUTSIDE RIGHT CORNER
overall_length3.7600 INCHES NOMINAL IN
keyway_dimension0.1250 INCHES NOMINAL INTERNAL KEYWAY WIDTH IN
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter0.9980 INCHES NOMINAL IN
body_outside_diameter1.3750 INCHES NOMINAL IN
NSN3120-00-218-3261
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 254838-02 · 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: 1.3750 INCHES NOMINAL IN
•
BODY INSIDE DIAMETER: 0.9980 INCHES NOMINAL IN
•
CORNER SHAPE: CHAMFERED INSIDE RIGHT CORNER
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
KEYWAY DIMENSION: 0.1250 INCHES NOMINAL INTERNAL KEYWAY WIDTH IN
TECHNICAL CHARACTERISTICS (FLIS)
BODY OUTSIDE DIAMETER1.3750 INCHES NOMINAL IN
BODY INSIDE DIAMETER0.9980 INCHES NOMINAL IN
OVERALL LENGTH3.7600 INCHES NOMINAL IN
CORNER SHAPECHAMFERED INSIDE RIGHT CORNER
MATERIALSTEEL CORROSION RESISTING OVERALL
CORNER SHAPECHAMFERED INSIDE LEFT CORNER
KEYWAY DIMENSION0.1250 INCHES NOMINAL INTERNAL KEYWAY WIDTH IN
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
B107.1 TY1CL2Interchangeable
interchangeable cross-reference
interchangeable
AS954 TY1CL1STBInterchangeable
interchangeable cross-reference
interchangeable
AS954Interchangeable
interchangeable cross-reference
interchangeable
722906-52Interchangeable
interchangeable cross-reference
interchangeable
ROM/PROM FAMILY 008Interchangeable
interchangeable cross-reference
interchangeable
40828Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 254838-02?
254838-02 is a MICROCIRCUIT,DIGITAL.
What parts can replace 254838-02?
There are 11 known substitutes for 254838-02: B107.1 TY1CL2, AS954 TY1CL1STB, AS954 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 254838-02?
254838-02 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-218-3261. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026