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Technical Data Sheet
PartsTable / COMPONENT / A3109
A3109 ✓ 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

CONE AND ROLLERS,TAPERED ROLLER. Key specifications include color: COLORLESS OVERALL, phase: SINGLE, material: STEEL CORROSION RESISTING, body_style: HEADSET, COVERED, lens_color: AMBER, base_length: 2.500 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 3110-00-100-0241, 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
A3109
NSN: 3110-00-100-0241
FSC: 3110
CAGE: 78640 — MITSUBISHI CATERPILLAR FORKLIFT AMERICA, INC (USA)
SPECIFICATIONS
colorCOLORLESS OVERALL
phaseSINGLE
materialSTEEL CORROSION RESISTING
body_styleHEADSET, COVERED
lens_colorAMBER
base_length2.500 INCHES NOMINAL IN
barrel_styleSTRAIGHT ROUND TYPE
current_typeAC
flange_styleFLANGE
gaging_range+0.000 TO 6.000 INCHES IN
head_marking30, 45 AND 60 DEG PROTRACTOR MARKINGS
power_sourceELECTRIC MOTOR
NSN3110-00-100-0241
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: A3109 · 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
TYPICAL APPLICATIONS
  • Long-term data archival and compliance retention
  • Offsite backup and disaster recovery
  • Air-gapped ransomware protection
  • Cold storage tier for infrequently accessed data
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
30113Interchangeable
interchangeable cross-reference
interchangeable
30113-0Interchangeable
interchangeable cross-reference
interchangeable
TBB0113Interchangeable
interchangeable cross-reference
interchangeable
10781Interchangeable
interchangeable cross-reference
interchangeable
14258PInterchangeable
interchangeable cross-reference
interchangeable
SK-142174Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A3109?
A3109 is a CONE AND ROLLERS,TAPERED ROLLER.
What parts can replace A3109?
There are 28 known substitutes for A3109: 30113, 30113-0, TBB0113 and 25 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A3109?
A3109 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0241. 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