PartsTable
Technical Data Sheet
1881-202 ✓ 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

RESISTOR,VARIABLE,WIRE WOUND,NON. Key specifications include material: COPPER ALLOY 943 OVERALL, corner_shape: SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER, flange_width: 0.1250 INCHES NOMINAL IN, overall_length: 4.1250 INCHES NOMINAL IN, style_designator: SOLID, EXTERNAL FLANGE ONE END, surface_treatment: CADMIUM OUTSIDE DIAMETER SURFACE OF BODY. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-179-5330, 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
1881-202
NSN: 3120-01-179-5330
FSC: 3120
CAGE: 13002 — GOODRICH CORPORATION DIV ADVANCED STRUCTURES LANDING SYSTEMS (USA)
SPECIFICATIONS
materialCOPPER ALLOY 943 OVERALL
corner_shapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
flange_width0.1250 INCHES NOMINAL IN
overall_length4.1250 INCHES NOMINAL IN
style_designatorSOLID, EXTERNAL FLANGE ONE END
surface_treatmentCADMIUM OUTSIDE DIAMETER SURFACE OF BODY
body_inside_diameter3.8530 INCHES MINIMUM AND 3.8550 INCHES MAXIMUM IN
body_outside_diameter4.1269 INCHES MINIMUM AND 4.1286 INCHES MAXIMUM IN
flange_outside_diameter4.6200 INCHES MINIMUM AND 4.6300 INCHES MAXIMUM IN
lubricant_accommodation_styleGROOVED SPIRAL CIRCULAR
NSN3120-01-179-5330
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 1881-202 · 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
FLANGE WIDTH: 0.1250 INCHES NOMINAL IN
BODY INSIDE DIAMETER: 3.8530 INCHES MINIMUM AND 3.8550 INCHES MAXIMUM IN
SURFACE TREATMENT: CADMIUM OUTSIDE DIAMETER SURFACE OF BODY
CORNER SHAPE: SQUARE OUTSIDE RIGHT CORNER
STYLE DESIGNATOR: SOLID, EXTERNAL FLANGE ONE END
BODY OUTSIDE DIAMETER: 4.1269 INCHES MINIMUM AND 4.1286 INCHES MAXIMUM IN
FLANGE OUTSIDE DIAMETER: 4.6200 INCHES MINIMUM AND 4.6300 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
FLANGE WIDTH0.1250 INCHES NOMINAL IN
BODY INSIDE DIAMETER3.8530 INCHES MINIMUM AND 3.8550 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM OUTSIDE DIAMETER SURFACE OF BODY
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
CORNER SHAPECHAMFERED INSIDE LEFT CORNER
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
BODY OUTSIDE DIAMETER4.1269 INCHES MINIMUM AND 4.1286 INCHES MAXIMUM IN
FLANGE OUTSIDE DIAMETER4.6200 INCHES MINIMUM AND 4.6300 INCHES MAXIMUM IN
OVERALL LENGTH4.1250 INCHES NOMINAL IN
LUBRICANT ACCOMMODATION STYLEGROOVED SPIRAL CIRCULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
8405Interchangeable
interchangeable cross-reference
interchangeable
8218-A-0440Interchangeable
interchangeable cross-reference
interchangeable
8405-100-0HMInterchangeable
interchangeable cross-reference
interchangeable
2100-1765Interchangeable
interchangeable cross-reference
interchangeable
D1PZ-8620-AInterchangeable
interchangeable cross-reference
interchangeable
7420Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1881-202?
1881-202 is a RESISTOR,VARIABLE,WIRE WOUND,NON.
What parts can replace 1881-202?
There are 7 known substitutes for 1881-202: 8405, 8218-A-0440, 8405-100-0HM and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1881-202?
1881-202 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-179-5330. This indicates validated use in U.S. government and defense supply chains.
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