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6494K42 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

6494K42: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: IRON SHELL, bore_diameter: 0.750 INCHES NOMINAL IN, overall_width: 1.3125 INCHES NOMINAL IN, overall_height: 2.375 INCHES NOMINAL IN, overall_length: 4.4375 INCHES NOMINAL IN, special_features: TWO 0.390 MOUNTING HOLES. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-659-9972, 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
6494K42
NSN: 3110-01-659-9972
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialIRON SHELL
bore_diameter0.750 INCHES NOMINAL IN
overall_width1.3125 INCHES NOMINAL IN
overall_height2.375 INCHES NOMINAL IN
overall_length4.4375 INCHES NOMINAL IN
special_featuresTWO 0.390 MOUNTING HOLES
surface_treatmentNICKEL SHELL
end_item_identificationKC-46A SE A
retainer_fabrication_methodCAST
part_name_assigned_by_controlling_agencyBEARING,BALL,ANNULA
NSN3110-01-659-9972
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 6494K42 · 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: CAST
•
SURFACE TREATMENT: NICKEL SHELL
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODCAST
OVERALL HEIGHT2.375 INCHES NOMINAL IN
OVERALL LENGTH4.4375 INCHES NOMINAL IN
OVERALL WIDTH1.3125 INCHES NOMINAL IN
SPECIAL FEATURESTWO 0.390 MOUNTING HOLES
SURFACE TREATMENTNICKEL SHELL
PART NAME ASSIGNED BY CONTROLLING AGENCYBEARING,BALL,ANNULA
END ITEM IDENTIFICATIONKC-46A SE A
BORE DIAMETER0.750 INCHES NOMINAL IN
MATERIALIRON SHELL
OTHER ITEMS IN FSC 3110 — Bearings, Antifriction, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3110-00-001-1937 3110-00-001-1938 3110-00-001-4661 3110-00-001-4662 3110-00-001-4689 3110-00-001-4722
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6494K42?
6494K42 is a BEARING,BALL,ANNULAR.
What is the NSN for 6494K42?
6494K42 is cataloged in the U.S. Government catalog under NSN 3110-01-659-9972. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.