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Technical Data Sheet
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45258 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

45258: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include end_item_identification: OUTBOARD MOTOR, part_name_assigned_by_controlling_agency: O RING. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-156-3518, 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
45258
NSN: 3110-00-156-3518
NIINs: 001563518, 014303460, 015501462, 016615152
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 02717 — AMERICAN PULLEY CO (USA)
SPECIFICATIONS
end_item_identificationOUTBOARD MOTOR
part_name_assigned_by_controlling_agencyO RING
NSN3110-00-156-3518
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 45258 · 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
•
RETAINER FABRICATION METHOD: PRESSED
•
BEARING SEAL TYPE: CONTACT
•
LUBRICATION MATERIAL: GREASE
•
OUTER RING WIDTH: 0.5510 INCHES NOMINAL IN
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
SURFACE FINISH: GROUND
•
SHIELD QUANTITY: 1
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODPRESSED
BEARING SEAL TYPECONTACT
LUBRICATION MATERIALGREASE
OUTER RING WIDTH0.5510 INCHES NOMINAL IN
INTERNAL FIT-UP DESIGNATIONSTANDARD
SURFACE FINISHGROUND
SHIELD QUANTITY1
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
OVERALL WIDTH0.6250 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER47.00 MILLIMETERS NOMINAL MM
SUBSTITUTES & CROSS-REFERENCES 4
FFB171Reference document
Same NSN cross-reference
Reference document — Identification reference
2-2260Reference document
Same NSN cross-reference
Reference document — Secondary reference
435038Reference document
Same NSN cross-reference
Reference document — Secondary reference
87504Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 45258?
45258 is a BEARING,BALL,ANNULAR.
What parts can replace 45258?
There are 4 known substitutes for 45258: FFB171, 2-2260, 435038 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 45258?
45258 is cataloged in the U.S. Government catalog under NSN 3110-00-156-3518. 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.