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Technical Data Sheet
PartsTable / COMPONENT / 124258R1
124258R1 ✓ 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 ROLLER,BEARING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 5140 OVERALL, overall_length: 0.5420 INCHES MINIMUM AND 0.5620 INCHES MAXIMUM IN, style_designator: NEEDLE ROLLER, SPHERICAL ENDS, rolling_element_diameter: 0.1580 INCHES MINIMUM AND 0.1582 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-198-2494, 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
124258R1
NSN: 3110-00-198-2494
FSC: 3110
CAGE: 89346 — NAVISTAR INTL CORP TRUCK BR OHIO PLANT (USA)
SPECIFICATIONS
materialSTEEL COMP 5140 OVERALL
overall_length0.5420 INCHES MINIMUM AND 0.5620 INCHES MAXIMUM IN
style_designatorNEEDLE ROLLER, SPHERICAL ENDS
rolling_element_diameter0.1580 INCHES MINIMUM AND 0.1582 INCHES MAXIMUM IN
NSN3110-00-198-2494
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 124258R1 · 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
•
MATERIAL: STEEL COMP 5140 OVERALL
•
STYLE DESIGNATOR: NEEDLE ROLLER, SPHERICAL ENDS
•
ROLLING ELEMENT DIAMETER: 0.1580 INCHES MINIMUM AND 0.1582 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP 5140 OVERALL
STYLE DESIGNATORNEEDLE ROLLER, SPHERICAL ENDS
ROLLING ELEMENT DIAMETER0.1580 INCHES MINIMUM AND 0.1582 INCHES MAXIMUM IN
OVERALL LENGTH0.5420 INCHES MINIMUM AND 0.5620 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
C8664Interchangeable
interchangeable cross-reference
interchangeable
2C5033Interchangeable
interchangeable cross-reference
interchangeable
A239Interchangeable
interchangeable cross-reference
interchangeable
Z9508Interchangeable
interchangeable cross-reference
interchangeable
208SZInterchangeable
interchangeable cross-reference
interchangeable
302-1016P9Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 124258R1?
124258R1 is a ROLLER,BEARING.
What parts can replace 124258R1?
There are 23 known substitutes for 124258R1: C8664, 2C5033, A239 and 20 more. Substitute compatibility should be verified for your specific system.
Is 124258R1 still available?
124258R1 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026