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Technical Data Sheet
PartsTable / COMPONENT / ST2118
ST2118 ✓ 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 material: IRON ALLOY 660 OVERALL, nut_style: DOUBLE HEXAGON, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF), overall_height: 0.290 INCHES MAXIMUM IN, hardness_rating: 48.0 ROCKWELL C MAXIMUM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-3541, 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
ST2118
NSN: 3110-00-100-3541
FSC: 3110
CAGE: 29930 — INTERNATIONAL HARVESTER CO AGRICULTURAL EQUIPMENT DIV (USA)
SPECIFICATIONS
materialIRON ALLOY 660 OVERALL
nut_styleDOUBLE HEXAGON
thread_class3B
thread_seriesUNIFIED NATIONAL JOINT FINE (UNJF)
overall_height0.290 INCHES MAXIMUM IN
hardness_rating48.0 ROCKWELL C MAXIMUM
locking_featurePREVAILING TORQUE ALL METAL DESIGN
thread_directionRIGHT-HAND
washer_thickness0.047 INCHES MINIMUM IN
countersink_angle90.0 DEGREES NOMINAL NUT
width_across_flats0.305 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
nominal_thread_size0.250 INCHES IN
NSN3110-00-100-3541
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: ST2118 · 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 29
100609Interchangeable
interchangeable cross-reference
interchangeable
920012-3Interchangeable
interchangeable cross-reference
interchangeable
13598Interchangeable
interchangeable cross-reference
interchangeable
40118Interchangeable
interchangeable cross-reference
interchangeable
48-00-1178Interchangeable
interchangeable cross-reference
interchangeable
49118Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ST2118?
ST2118 is a CONE AND ROLLERS,TAPERED ROLLER.
What parts can replace ST2118?
There are 29 known substitutes for ST2118: 100609, 920012-3, 13598 and 26 more. Substitute compatibility should be verified for your specific system.
Is ST2118 still available?
ST2118 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