PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 2503-020
2503-020 ✓ 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 CONNECTOR,PLUG,ELECTRICAL is a the manufacturer industrial component. Key specifications include supplementary_features: FOR TRI-TEC CORP. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-374-9711, 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
2503-020
NSN: 3120-00-374-9711
FSC: 3120
CAGE: 76255 — MCQUAY-NORRIS INC OEM DIV AN SKF INDUSTRIES CO
SPECIFICATIONS
supplementary_featuresFOR TRI-TEC CORP
NSN3120-00-374-9711
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 2503-020 · 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: 1.0470 INCHES MINIMUM AND 1.0490 INCHES MAXIMUM IN
•
MATERIAL: COPPER ALLOY 544 INTERMEDIATE LAYER
•
CORNER SHAPE: SQUARE ALL CORNERS
•
BODY INSIDE DIAMETER: 0.9901 INCHES MINIMUM AND 0.9904 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SPLIT, PLAIN, NO OUTSIDE FLANGES
•
ANTIROTATION/LUBRICATION TYPE AND QUANTITY: 1 HOLE
•
HOLE DIAMETER: 0.2190 INCHES NOMINAL FIRST IN
TECHNICAL CHARACTERISTICS (FLIS)
BODY OUTSIDE DIAMETER1.0470 INCHES MINIMUM AND 1.0490 INCHES MAXIMUM IN
MATERIALCOPPER ALLOY 544 INTERMEDIATE LAYER
CORNER SHAPESQUARE ALL CORNERS
MATERIALSTEEL COMP 1010 OUTER LAYER
BODY INSIDE DIAMETER0.9901 INCHES MINIMUM AND 0.9904 INCHES MAXIMUM IN
STYLE DESIGNATORSPLIT, PLAIN, NO OUTSIDE FLANGES
ANTIROTATION/LUBRICATION TYPE AND QUANTITY1 HOLE
HOLE DIAMETER0.2190 INCHES NOMINAL FIRST IN
OVERALL LENGTH1.3020 INCHES MINIMUM AND 1.3220 INCHES MAXIMUM IN
MATERIALCOPPER ALLOY SAE 797 INNER LAYER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
M2428-14Interchangeable
interchangeable cross-reference
interchangeable
32444Interchangeable
interchangeable cross-reference
interchangeable
CB2428-14Interchangeable
interchangeable cross-reference
interchangeable
300184Interchangeable
interchangeable cross-reference
interchangeable
2503020Interchangeable
interchangeable cross-reference
interchangeable
25030040-1-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2503-020?
2503-020 is a CONNECTOR,PLUG,ELECTRICAL.
What parts can replace 2503-020?
There are 18 known substitutes for 2503-020: M2428-14, 32444, CB2428-14 and 15 more. Substitute compatibility should be verified for your specific system.
Is 2503-020 still available?
2503-020 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026