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Technical Data Sheet
PartsTable / COMPONENT / 88120-C
88120-C ✓ 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: AIRCRAFT ELEV NO 1;AIRCRAFT ELEV NO 2;AIRCRAFT ELEV NO 3;AIRCRAFT ELEV NO 4, part_name_assigned_by_controlling_agency: BEARING,BALL,RADIAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-275-0240, 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
88120-C
NSN: 3110-00-275-0240
FSC: 3110
CAGE: 43334 — GENERAL MOTORS CORP DELCO MORAINE NDH DIV (USA)
SPECIFICATIONS
end_item_identificationAIRCRAFT ELEV NO 1;AIRCRAFT ELEV NO 2;AIRCRAFT ELEV NO 3;AIRCRAFT ELEV NO 4
part_name_assigned_by_controlling_agencyBEARING,BALL,RADIAL
NSN3110-00-275-0240
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 88120-C · 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
•
OVERALL OUTSIDE DIAMETER: 1.8510 INCHES NOMINAL IN
•
INNER RING WIDTH: 0.8200 INCHES NOMINAL IN
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
RETAINER FABRICATION METHOD: PRESSED
•
SURFACE FINISH: GROUND
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
•
SEAL QUANTITY: 2
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL OUTSIDE DIAMETER1.8510 INCHES NOMINAL IN
INNER RING WIDTH0.8200 INCHES NOMINAL IN
INTERNAL FIT-UP DESIGNATIONSTANDARD
RETAINER FABRICATION METHODPRESSED
SPECIAL FEATURESHEXAGONAL BORE,EXTERNAL RING SURFACES PARKERIZED
SURFACE FINISHGROUND
STANDARD TOLERANCE DESIGNATIONABEC NO.1
SEAL QUANTITY2
OUTER RING WIDTH0.5510 INCHES NOMINAL IN
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONDOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
20962 SEQUENCE 127Interchangeable
interchangeable cross-reference
interchangeable
20962Interchangeable
interchangeable cross-reference
interchangeable
302484Interchangeable
interchangeable cross-reference
interchangeable
H467F001 ITEM 32Interchangeable
interchangeable cross-reference
interchangeable
88120-CInterchangeable
interchangeable cross-reference
interchangeable
J116365Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 88120-C?
88120-C is a BEARING,BALL,ANNULAR.
What parts can replace 88120-C?
There are 8 known substitutes for 88120-C: 20962 SEQUENCE 127, 20962, 302484 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 88120-C?
88120-C is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-275-0240. 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