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Technical Data Sheet
PartsTable / COMPONENT / 121477
121477 ✓ 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: WHITE FIRST POSITION COVER SINGLE CONDUCTOR, material: COPPER CORE CONDUCTOR SINGLE CONDUCTOR, temp_rating: 200.0 CELSIUS DEGC, flange_depth: 0.437 INCHES NOMINAL SINGLE FLANGE IN, flange_style: COVER TYPE ALL FLANGES, adapter_length: 1.906 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 3110-00-100-0218, 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
121477
NSN: 3110-00-100-0218
FSC: 3110
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
colorWHITE FIRST POSITION COVER SINGLE CONDUCTOR
materialCOPPER CORE CONDUCTOR SINGLE CONDUCTOR
temp_rating200.0 CELSIUS DEGC
flange_depth0.437 INCHES NOMINAL SINGLE FLANGE IN
flange_styleCOVER TYPE ALL FLANGES
adapter_length1.906 INCHES NOMINAL IN
conductor_formSTRANDED SINGLE CONDUCTOR
voltage_rating600.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR
flange_quantity2
style_designatorWAVEGUIDE TO WAVEGUIDE
surface_treatmentSILVER CORE CONDUCTOR SINGLE CONDUCTOR
flange_inside_width1.253 INCHES NOMINAL SINGLE FLANGE IN
NSN3110-00-100-0218
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 121477 · 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 26
CALMInterchangeable
interchangeable cross-reference
interchangeable
H60MLQ30207Interchangeable
interchangeable cross-reference
interchangeable
30207Interchangeable
interchangeable cross-reference
interchangeable
3245Interchangeable
interchangeable cross-reference
interchangeable
3244Interchangeable
interchangeable cross-reference
interchangeable
910282-2658Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 121477?
121477 is a CONE AND ROLLERS,TAPERED ROLLER.
What parts can replace 121477?
There are 26 known substitutes for 121477: CALM, H60MLQ30207, 30207 and 23 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 121477?
121477 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0218. 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