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Technical Data Sheet
PartsTable / COMPONENT / A-7812R-55
A-7812R-55 ✓ 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: LOGISTICS SUPPORT VESSEL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-554-5656, 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-7812R-55
NSN: 3110-00-554-5656
FSC: 3110
CAGE: 76117 — MARATHON ELECTRIC MFG CORP WEST PLAINS DIV (USA)
SPECIFICATIONS
end_item_identificationLOGISTICS SUPPORT VESSEL
NSN3110-00-554-5656
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: A-7812R-55 · 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
•
LOAD DIRECTION: RADIAL
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 130.0 MILLIMETERS NOMINAL MM
•
RETAINER FABRICATION METHOD: PRESSED
•
SHIELD QUANTITY: 1
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE FINISHGROUND
LOAD DIRECTIONRADIAL
STANDARD TOLERANCE DESIGNATIONABEC NO.1
MATERIALSTEEL OVERALL
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
OVERALL OUTSIDE DIAMETER130.0 MILLIMETERS NOMINAL MM
RETAINER FABRICATION METHODPRESSED
SHIELD QUANTITY1
BORE DIAMETER60.0 MILLIMETERS NOMINAL MM
OVERALL WIDTH31.0 MILLIMETERS NOMINAL MM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
110511Interchangeable
interchangeable cross-reference
interchangeable
311270Interchangeable
interchangeable cross-reference
interchangeable
761-2Interchangeable
interchangeable cross-reference
interchangeable
510230-1Interchangeable
interchangeable cross-reference
interchangeable
NAECDWG510230-1Interchangeable
interchangeable cross-reference
interchangeable
588 NO 6/0Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A-7812R-55?
A-7812R-55 is a BEARING,BALL,ANNULAR.
What parts can replace A-7812R-55?
There are 23 known substitutes for A-7812R-55: 110511, 311270, 761-2 and 20 more. Substitute compatibility should be verified for your specific system.
Is A-7812R-55 still available?
A-7812R-55 is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: July 2026