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456859 — BEARING,ROLLER,CYLINDRICAL

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

456859: BEARING,ROLLER,CYLINDRICAL.

The BEARING,ROLLER,CYLINDRICAL is a the manufacturer industrial component. Key specifications include end_item_identification: OH-58A AND/OR C, ROTARY WING AIRCRAFT A. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-275-0239, 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
456859
NSN: 3110-00-275-0239
NIINs: 002750239, 012376634
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
end_item_identificationOH-58A AND/OR C, ROTARY WING AIRCRAFT A
NSN3110-00-275-0239
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 456859 · 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
KEY FEATURES
•
SURFACE FINISH: GROUND
•
THRUST DIRECTIONAL CAPABILITY DESIGNATION: SINGLE
•
OVERALL OUTSIDE DIAMETER: 3.5000 INCHES NOMINAL IN
•
BORE SMALLEST DIAMETER: 2.0625 INCHES MINIMUM AND 2.0635 INCHES MAXIMUM IN
•
ALIGNMENT TYPE: RIGID
•
MATERIAL: COPPER ALLOY OR STEEL RETAINER
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.7970 INCHES NOMINAL IN
SURFACE FINISHGROUND
THRUST DIRECTIONAL CAPABILITY DESIGNATIONSINGLE
OVERALL OUTSIDE DIAMETER3.5000 INCHES NOMINAL IN
BORE SMALLEST DIAMETER2.0625 INCHES MINIMUM AND 2.0635 INCHES MAXIMUM IN
ALIGNMENT TYPERIGID
SPECIAL FEATURESBRONZE OR STEEL FERRULE IN ID OF LARGE WASHER,LARGE WASHER UNDERCUT TO RETAIN FERRULE,LUBRICATING NOTCH CUT IN ID OF SMALL WASHER,WASHERS OVERLAP,BANDED OD
MATERIALCOPPER ALLOY OR STEEL RETAINER
MATERIALSTEEL BAND
MATERIALSTEEL BALL
SUBSTITUTES & CROSS-REFERENCES 8
5040G5022Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
223439Reference document
Same NSN cross-reference
Reference document — Secondary reference
1709805Reference document
Same NSN cross-reference
Reference document — Secondary reference
1273Reference document
Same NSN cross-reference
Reference document — Secondary reference
1505967MReference document
Same NSN cross-reference
Reference document — Secondary reference
36SH139Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 456859?
456859 is a BEARING,ROLLER,CYLINDRICAL.
What parts can replace 456859?
There are 8 known substitutes for 456859: 5040G5022, 223439, 1709805 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 456859?
456859 is cataloged in the U.S. Government catalog under NSN 3110-00-275-0239. 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.