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6494K43 — BEARING,BALL,BELL CRANK

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

6494K43: BEARING,BALL,BELL CRANK.

The BEARING,BALL,BELL CRANK is a the manufacturer industrial component. Key specifications include material: NICKEL EXPOSED SURFACES AS MOUNTED, flange_width: 0.50 INCHES NOMINAL IN, bore_diameter: 1.0 INCHES NOMINAL IN, inner_ring_width: 0.40625 INCHES NOMINAL IN, outer_ring_width: 1.0625 INCHES NOMINAL IN, style_designator: DOUBLE ROW BALL, DOUBLE CLOSURE, RIGID INNER RING EXTENDED BOTH SIDES. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-601-4258, 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
6494K43
NSN: 3110-01-601-4258
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialNICKEL EXPOSED SURFACES AS MOUNTED
flange_width0.50 INCHES NOMINAL IN
bore_diameter1.0 INCHES NOMINAL IN
inner_ring_width0.40625 INCHES NOMINAL IN
outer_ring_width1.0625 INCHES NOMINAL IN
style_designatorDOUBLE ROW BALL, DOUBLE CLOSURE, RIGID INNER RING EXTENDED BOTH SIDES
rivet_hole_diameter0.46875 INCHES NOMINAL IN
rivet_hole_quantity2
flange_outside_diameter5.125 INCHES NOMINAL IN
outer_ring_outside_diameter0.46875 INCHES NOMINAL IN
distance_between_flange_hole_centers3.8906 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencyFLANGE MOUNTED STEEL
NSN3110-01-601-4258
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 6494K43 · 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
•
OUTER RING WIDTH: 1.0625 INCHES NOMINAL IN
•
FLANGE OUTSIDE DIAMETER: 5.125 INCHES NOMINAL IN
•
RIVET HOLE QUANTITY: 2
•
STYLE DESIGNATOR: DOUBLE ROW BALL, DOUBLE CLOSURE, RIGID INNER RING EXTENDED BOTH SIDES
•
DISTANCE BETWEEN FLANGE HOLE CENTERS: 3.8906 INCHES NOMINAL IN
•
FLANGE WIDTH: 0.50 INCHES NOMINAL IN
•
OUTER RING OUTSIDE DIAMETER: 0.46875 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OUTER RING WIDTH1.0625 INCHES NOMINAL IN
FLANGE OUTSIDE DIAMETER5.125 INCHES NOMINAL IN
RIVET HOLE QUANTITY2
STYLE DESIGNATORDOUBLE ROW BALL, DOUBLE CLOSURE, RIGID INNER RING EXTENDED BOTH SIDES
DISTANCE BETWEEN FLANGE HOLE CENTERS3.8906 INCHES NOMINAL IN
FLANGE WIDTH0.50 INCHES NOMINAL IN
OUTER RING OUTSIDE DIAMETER0.46875 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYFLANGE MOUNTED STEEL
RIVET HOLE DIAMETER0.46875 INCHES NOMINAL IN
BORE DIAMETER1.0 INCHES NOMINAL IN
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6494K43?
6494K43 is a BEARING,BALL,BELL CRANK.
What is the NSN for 6494K43?
6494K43 is cataloged in the U.S. Government catalog under NSN 3110-01-601-4258. 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.