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Technical Data Sheet
PartsTable / COMPONENT / 6306/C4
6306/C4 ✓ 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 6306/C4 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-471-6980, 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
6306/C4
NSN: 3110-01-471-6980
FSC: 3110
CAGE: 53035 — NSK CORP BEARING DIV (USA)
SPECIFICATIONS
Part Number6306/C4
NSN3110-01-471-6980
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 6306/C4 · 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
•
OVERALL OUTSIDE DIAMETER: 72.00 MILLIMETERS NOMINAL MM
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
MATERIAL: STEEL OVERALL
•
LOAD DIRECTION: RADIAL
•
BORE SHAPE: STRAIGHT
•
BORE DIAMETER: 30.00 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE FINISHGROUND
OVERALL OUTSIDE DIAMETER72.00 MILLIMETERS NOMINAL MM
OVERALL WIDTH19.0 MILLIMETERS NOMINAL MM
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
MATERIALSTEEL OVERALL
LOAD DIRECTIONRADIAL
BORE SHAPESTRAIGHT
BORE DIAMETER30.00 MILLIMETERS NOMINAL MM
INTERNAL FIT-UP DESIGNATIONSTANDARD
RETAINER FABRICATION METHODPRESSED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
12062Interchangeable
interchangeable cross-reference
interchangeable
402-0038Interchangeable
interchangeable cross-reference
interchangeable
R12062Interchangeable
interchangeable cross-reference
interchangeable
2729K60P001Interchangeable
interchangeable cross-reference
interchangeable
877061-00Interchangeable
interchangeable cross-reference
interchangeable
17236-SVInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6306/C4?
6306/C4 is a 6306/C4.
What parts can replace 6306/C4?
There are 13 known substitutes for 6306/C4: 12062, 402-0038, R12062 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 6306/C4?
6306/C4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-471-6980. 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