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Technical Data Sheet
PartsTable / COMPONENT / LS9
LS9 ✓ 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,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, bore_diameter: 0.8750 INCHES NOMINAL IN, overall_width: 0.5620 INCHES NOMINAL IN, load_direction: RADIAL, surface_finish: GROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-155-8879, 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
LS9
NSN: 3110-00-155-8879
FSC: 3110
CAGE: 80038 — EQUITABLE BEARING CO INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter0.8750 INCHES NOMINAL IN
overall_width0.5620 INCHES NOMINAL IN
load_directionRADIAL
surface_finishGROUND
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
overall_outside_diameter2.0000 INCHES NOMINAL IN
internal_fit-up_designationSTANDARD
nondefinitive_spec/std_data115 TYPE AND 00 GRADE
retainer_fabrication_methodPRESSED
standard_tolerance_designationABEC NO.1
NSN3110-00-155-8879
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: LS9 · 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
•
LOAD DIRECTION: RADIAL
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
NONDEFINITIVE SPEC/STD DATA: 115 TYPE AND 00 GRADE
•
DEPARTURE FROM CITED DESIGNATOR: AS MODIFIED BY OVERALL OUTSIDE DIAMETER,AS MODIFIED BY OVERALL WIDTH
•
MATERIAL: STEEL OVERALL
•
BORE SHAPE: STRAIGHT
TECHNICAL CHARACTERISTICS (FLIS)
LOAD DIRECTIONRADIAL
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
NONDEFINITIVE SPEC/STD DATA115 TYPE AND 00 GRADE
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY OVERALL OUTSIDE DIAMETER,AS MODIFIED BY OVERALL WIDTH
MATERIALSTEEL OVERALL
BORE SHAPESTRAIGHT
NONDEFINITIVE SPEC/STD DATA115 TYPE AND 00 GRADE
STANDARD TOLERANCE DESIGNATIONABEC NO.1
INTERNAL FIT-UP DESIGNATIONSTANDARD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
K71643Interchangeable
interchangeable cross-reference
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678Interchangeable
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2740Interchangeable
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SG3918PC25Interchangeable
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1820-40Interchangeable
interchangeable cross-reference
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LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is LS9?
LS9 is a BEARING,BALL,ANNULAR.
What parts can replace LS9?
There are 16 known substitutes for LS9: K71643, 678, 2740 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for LS9?
LS9 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-155-8879. 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