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Technical Data Sheet
PartsTable / COMPONENT / 587940
587940 ✓ 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 BALL,BEARING is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, special_features: METALLIC HARDNESS RATING ROCKWELL C MIN 50.0 IN. AND MAX 58.0 IN.

IN, style_designator: BALL, rolling_element_diameter: 0.6250 INCHES NOMINAL IN. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-6220, 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
587940
NSN: 3110-00-100-6220
FSC: 3110
CAGE: 00000
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
special_featuresMETALLIC HARDNESS RATING ROCKWELL C MIN 50.0 IN. AND MAX 58.0 IN. IN
style_designatorBALL
rolling_element_diameter0.6250 INCHES NOMINAL IN
NSN3110-00-100-6220
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 587940 · 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
•
ROLLING ELEMENT DIAMETER: 0.6250 INCHES NOMINAL IN
•
STYLE DESIGNATOR: BALL
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
ROLLING ELEMENT DIAMETER0.6250 INCHES NOMINAL IN
STYLE DESIGNATORBALL
MATERIALSTEEL CORROSION RESISTING OVERALL
SPECIAL FEATURESMETALLIC HARDNESS RATING ROCKWELL C MIN 50.0 IN. AND MAX 58.0 IN. IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
ZZ-T-391/T2/S1/20X5X16REPUInterchangeable
interchangeable cross-reference
interchangeable
26568000Interchangeable
interchangeable cross-reference
interchangeable
520492Interchangeable
interchangeable cross-reference
interchangeable
1227-0-1MAInterchangeable
interchangeable cross-reference
interchangeable
1127-0-1MAInterchangeable
interchangeable cross-reference
interchangeable
1227Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 587940?
587940 is a BALL,BEARING.
What parts can replace 587940?
There are 21 known substitutes for 587940: ZZ-T-391/T2/S1/20X5X16REPU, 26568000, 520492 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 587940?
587940 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-6220. 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