PartsTable
Technical Data Sheet
PartsTable / COMPONENT / A-3019
A-3019 ✓ Verified by PartsTable
— · TAPERED BEARING
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include end_item_identification: HELICOPTER,CARGO; CH-47 SERIES, reference_number_differentiating_characteristics: AS DIFFERENTIATED BY SOURCE CONTROL DWG 145HS552-1. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-501-4286, 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
A-3019
NSN: 3110-01-501-4286
FSC: 3110
CAGE: 50893 — RIDGE TOOL COMPANY (USA)
SPECIFICATIONS
end_item_identificationHELICOPTER,CARGO; CH-47 SERIES
reference_number_differentiating_characteristicsAS DIFFERENTIATED BY SOURCE CONTROL DWG 145HS552-1
NSN3110-01-501-4286
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: A-3019 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
60-9-30Interchangeable
interchangeable cross-reference
interchangeable
FFB571ATYPEB2CLASSCInterchangeable
interchangeable cross-reference
interchangeable
145HS552-1Interchangeable
interchangeable cross-reference
interchangeable
M1750-01Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A-3019?
A-3019 is a BEARING,BALL,ANNULAR.
What parts can replace A-3019?
There are 4 known substitutes for A-3019: 60-9-30, FFB571ATYPEB2CLASSC, 145HS552-1 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A-3019?
A-3019 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-501-4286. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026