PartsTable
Technical Data Sheet
28803 ✓ Verified by PartsTable
Legrand · 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 TRANSFORMER,AUDIO FREQUENCY is a Legrand industrial component. Key specifications include material: LUBRICANT LUBRICATION, body_width: 0.906 INCHES NOMINAL IN, body_height: 2.000 INCHES NOMINAL IN, body_length: 1.375 INCHES NOMINAL IN, corner_shape: SQUARE ALL CORNERS, inclosure_type: HERMETICALLY SEALED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-386-3606, 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
28803
NSN: 3120-00-386-3606
FSC: 3120
CAGE: 49267 — PULLMAN STANDARD A DIV OF PULLMAN INC (USA)
SPECIFICATIONS
materialLUBRICANT LUBRICATION
body_width0.906 INCHES NOMINAL IN
body_height2.000 INCHES NOMINAL IN
body_length1.375 INCHES NOMINAL IN
corner_shapeSQUARE ALL CORNERS
inclosure_typeHERMETICALLY SEALED
overall_length0.9950 INCHES MINIMUM AND 1.0050 INCHES MAXIMUM IN
mounting_methodTHREADED STUD(S) SINGLE GROUP
frequency_rating4.0 HERTZ MINIMUM AND 20.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
nominal_thread_size0.138 INCHES SINGLE GROUP IN
body_inside_diameter1.2510 INCHES MINIMUM AND 1.2520 INCHES MAXIMUM IN
NSN3120-00-386-3606
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 28803 · Legrand ⚠ 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
CORNER SHAPE: SQUARE ALL CORNERS
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
MATERIAL: LUBRICANT LUBRICATION
BODY INSIDE DIAMETER: 1.2510 INCHES MINIMUM AND 1.2520 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER: 1.5010 INCHES MINIMUM AND 1.5020 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CORNER SHAPESQUARE ALL CORNERS
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
MATERIALLUBRICANT LUBRICATION
MATERIALCOPPER ALLOY OVERALL
BODY INSIDE DIAMETER1.2510 INCHES MINIMUM AND 1.2520 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER1.5010 INCHES MINIMUM AND 1.5020 INCHES MAXIMUM IN
OVERALL LENGTH0.9950 INCHES MINIMUM AND 1.0050 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
89870Interchangeable
interchangeable cross-reference
interchangeable
SC-C-63172Interchangeable
interchangeable cross-reference
interchangeable
28803Interchangeable
interchangeable cross-reference
interchangeable
5461745Interchangeable
interchangeable cross-reference
interchangeable
3340Interchangeable
interchangeable cross-reference
interchangeable
AA1512-15Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 28803?
28803 is a TRANSFORMER,AUDIO FREQUENCY manufactured by Legrand.
What parts can replace 28803?
There are 9 known substitutes for 28803: 89870, SC-C-63172, 28803 and 6 more. Substitute compatibility should be verified for your specific system.
Is 28803 still available?
28803 is currently cancelled.
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