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Technical Data Sheet
PartsTable / COMPONENT / 6310JC3/C78
6310JC3/C78 ✓ 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 6310JC3/C78 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-033-8185, 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
6310JC3/C78
NSN: 3110-01-033-8185
FSC: 3110
CAGE: 52676 — SKF USA INC. (USA)
SPECIFICATIONS
Part Number6310JC3/C78
NSN3110-01-033-8185
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 6310JC3/C78 · 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
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.5
•
LOAD DIRECTION: RADIAL
•
SURFACE FINISH: GROUND
•
LUBRICATION MATERIAL: LUBRICANT
•
BORE SHAPE: STRAIGHT
•
INTERNAL FIT-UP DESIGNATION: LOOSE
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
RETAINER FABRICATION METHODPRESSED
STANDARD TOLERANCE DESIGNATIONABEC NO.5
LOAD DIRECTIONRADIAL
SURFACE FINISHGROUND
LUBRICATION MATERIALLUBRICANT
BORE SHAPESTRAIGHT
INTERNAL FIT-UP DESIGNATIONLOOSE
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP E52100 OVERALL
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
7457R2Interchangeable
interchangeable cross-reference
interchangeable
8050001737-1Interchangeable
interchangeable cross-reference
interchangeable
F8853Interchangeable
interchangeable cross-reference
interchangeable
6310-C3Interchangeable
Same NIIN cross-reference
interchangeable
M12390Interchangeable
Same NIIN cross-reference
interchangeable
561184Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6310JC3/C78?
6310JC3/C78 is a 6310JC3/C78.
What parts can replace 6310JC3/C78?
There are 7 known substitutes for 6310JC3/C78: 7457R2, 8050001737-1, F8853 and 4 more. Substitute compatibility should be verified for your specific system.
Is 6310JC3/C78 still available?
6310JC3/C78 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026