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20402-002 — BEARING

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

20402-002: BEARING.

The BEARING is a the manufacturer industrial component. Key specifications include material: STEEL, overall_length: 6.500 INCHES NOMINAL IN, general_characteristics_item_description: 18-9 CORROSION RESISTANT STEEL,MIL-S-17509 CL 1. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-021-3550, 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
20402-002
NSN: 3110-01-021-3550
NIINs: 010213550, 010636617, 010641961, 010646005, 011052542, 011057533
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 91422 — FORMSPRAG LLC (USA)
SPECIFICATIONS
materialSTEEL
overall_length6.500 INCHES NOMINAL IN
general_characteristics_item_description18-9 CORROSION RESISTANT STEEL,MIL-S-17509 CL 1
NSN3110-01-021-3550
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 20402-002 · OEM ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
SUBSTITUTES & CROSS-REFERENCES 2
59769C91Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
527237R1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 20402-002?
20402-002 is a BEARING.
What parts can replace 20402-002?
There are 2 known substitutes for 20402-002: 59769C91, 527237R1. Substitute compatibility should be verified for your specific system.
What is the NSN for 20402-002?
20402-002 is cataloged in the U.S. Government catalog under NSN 3110-01-021-3550. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.