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Technical Data Sheet
PartsTable / COMPONENT / K581
K581 ✓ 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 PARTS KIT,CARBURETOR is a the manufacturer industrial component. Key specifications include material: FLAX BODY, bore_shape: STRAIGHT, bore_diameter: 45.0 MILLIMETERS NOMINAL MM, overall_width: 25.0 MILLIMETERS NOMINAL MM, surface_finish: GROUND, locating_feature: NONLOCATING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-155-7320, 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
K581
NSN: 3110-00-155-7320
FSC: 3110
CAGE: F0272 — SKF FRANCE (FRA)
SPECIFICATIONS
materialFLAX BODY
bore_shapeSTRAIGHT
bore_diameter45.0 MILLIMETERS NOMINAL MM
overall_width25.0 MILLIMETERS NOMINAL MM
surface_finishGROUND
locating_featureNONLOCATING
nominal_diameter0.188 INCHES IN
performance_typeREGULAR COMMERCIAL DUTY
style_designatorROUND TWIST
surface_conditionCLEATED OVERALL
component_quantity38
overall_outside_diameter100.0 MILLIMETERS NOMINAL MM
NSN3110-00-155-7320
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: K581 · 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
•
BORE SHAPE: STRAIGHT
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
BORE DIAMETER: 45.0 MILLIMETERS NOMINAL MM
•
MATERIAL: STEEL OUTER RING
•
STYLE DESIGNATOR: SINGLE ROW, NON-LOCATING, TWO LIP INNER RING, CYLINDRICAL OUTER RING WITH TWO ROLLER RETAINMENT RINGS ON OUTER, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 100.0 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS (FLIS)
BORE SHAPESTRAIGHT
INTERNAL FIT-UP DESIGNATIONSTANDARD
BORE DIAMETER45.0 MILLIMETERS NOMINAL MM
MATERIALSTEEL OUTER RING
STYLE DESIGNATORSINGLE ROW, NON-LOCATING, TWO LIP INNER RING, CYLINDRICAL OUTER RING WITH TWO ROLLER RETAINMENT RINGS ON OUTER, NON-SEPARABLE
MATERIALSTEEL ROLLER
MATERIALSTEEL INNER RING
OVERALL OUTSIDE DIAMETER100.0 MILLIMETERS NOMINAL MM
SURFACE FINISHGROUND
OVERALL WIDTH25.0 MILLIMETERS NOMINAL MM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
6488Interchangeable
interchangeable cross-reference
interchangeable
181796Interchangeable
interchangeable cross-reference
interchangeable
231047Interchangeable
interchangeable cross-reference
interchangeable
321411Interchangeable
interchangeable cross-reference
interchangeable
D-70628Interchangeable
interchangeable cross-reference
interchangeable
58078R91Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is K581?
K581 is a PARTS KIT,CARBURETOR.
What parts can replace K581?
There are 27 known substitutes for K581: 6488, 181796, 231047 and 24 more. Substitute compatibility should be verified for your specific system.
What is the NSN for K581?
K581 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-155-7320. 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