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Technical Data Sheet
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DS3 ✓ 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

SWITCH,BEAM SELECTING,HEADLIGHT. Key specifications include material: STEEL OUTER RING, tire_type: PNEUMATIC, body_width: 2.060 INCHES NOMINAL IN, shank_type: STRAIGHT, burner_type: PRESSURE ATOMIZING, holder_type: STRAIGHT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-142-4443, 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
DS3
NSN: 3110-00-142-4443
FSC: 3110
CAGE: 21335 — TIMKEN CO DIV THE TIMKEN COMPANY (USA)
SPECIFICATIONS
materialSTEEL OUTER RING
tire_typePNEUMATIC
body_width2.060 INCHES NOMINAL IN
shank_typeSTRAIGHT
burner_typePRESSURE ATOMIZING
holder_typeSTRAIGHT
power_sourceGASOLINE ENGINE
bore_diameter0.1900 INCHES NOMINAL IN
mounting_typeTRAILER
overall_width20.0 INCHES NOMINAL IN
actuator_styleROUND
alignment_typeSELF-ALIGNING
NSN3110-00-142-4443
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: DS3 · 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
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-3278 MIL SPEC SINGLE MATERIAL RESPONSE
•
ALIGNMENT TYPE: SELF-ALIGNING
•
SELF-ALIGNMENT LOCATION: INTERNAL
•
SHIELD QUANTITY: 2
•
LUBRICATION MATERIAL: GREASE
•
LOAD DIRECTION: RADIAL
•
INNER RING WIDTH: 0.5000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-3278 MIL SPEC SINGLE MATERIAL RESPONSE
ALIGNMENT TYPESELF-ALIGNING
SELF-ALIGNMENT LOCATIONINTERNAL
SHIELD QUANTITY2
SPECIAL FEATURES10.0 DEGREE SELF ALIGNMENT IN EITHER DIRECTION
LUBRICATION MATERIALGREASE
LOAD DIRECTIONRADIAL
INNER RING WIDTH0.5000 INCHES NOMINAL IN
OUTER RING WIDTH0.3920 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER0.7774 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
XA64Interchangeable
interchangeable cross-reference
interchangeable
DS3Interchangeable
interchangeable cross-reference
interchangeable
6245Interchangeable
interchangeable cross-reference
interchangeable
140829HXInterchangeable
interchangeable cross-reference
interchangeable
1MR226Interchangeable
interchangeable cross-reference
interchangeable
DS3FS160Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is DS3?
DS3 is a SWITCH,BEAM SELECTING,HEADLIGHT.
What parts can replace DS3?
There are 8 known substitutes for DS3: XA64, DS3, 6245 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for DS3?
DS3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-142-4443. 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