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PartsTable / COMPONENT / LST542-65-61ALT5SYM940
LST542-65-61ALT5SYM940 ✓ 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 BEARING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, cone_width: 0.6600 INCHES NOMINAL IN, head_style: FLAT CHAMFER, point_type: CONVENTIONAL, head_height: 0.134 INCHES MINIMUM AND 0.138 INCHES MAXIMUM IN, point_angle: 118.0 DEGREES NOMINAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-343-6600, 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
LST542-65-61ALT5SYM940
NSN: 3110-00-343-6600
FSC: 3110
CAGE: 73077 — HARPER JOS AND SON INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cone_width0.6600 INCHES NOMINAL IN
head_styleFLAT CHAMFER
point_typeCONVENTIONAL
head_height0.134 INCHES MINIMUM AND 0.138 INCHES MAXIMUM IN
point_angle118.0 DEGREES NOMINAL
shank_styleSTRAIGHT ROUND
flute_length3.500 INCHES NOMINAL IN
thread_class2A A
bore_diameter1.2500 INCHES NOMINAL IN
head_diameter0.221 INCHES MINIMUM AND 0.226 INCHES MAXIMUM IN
thread_length1.250 INCHES MINIMUM IN
NSN3110-00-343-6600
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: LST542-65-61ALT5SYM940 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
WRA99208Interchangeable
interchangeable cross-reference
interchangeable
2410 23/64Interchangeable
interchangeable cross-reference
interchangeable
10023Interchangeable
interchangeable cross-reference
interchangeable
2511 23/64Interchangeable
interchangeable cross-reference
interchangeable
41-10161Interchangeable
interchangeable cross-reference
interchangeable
R10Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is LST542-65-61ALT5SYM940?
LST542-65-61ALT5SYM940 is a BEARING.
What parts can replace LST542-65-61ALT5SYM940?
There are 17 known substitutes for LST542-65-61ALT5SYM940: WRA99208, 2410 23/64, 10023 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for LST542-65-61ALT5SYM940?
LST542-65-61ALT5SYM940 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-343-6600. 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