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Technical Data Sheet
PartsTable / COMPONENT / M31421100
M31421100 ✓ 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,ROLLER,TAPERED is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include material: PLASTIC SILICONE OVERALL, end_style: RAISED HOOK BOTH ENDS, case_style: SQUARE, seal_width: 0.605 INCHES NOMINAL IN, design_type: CLOSED, hook_radius: 0.203 INCHES NOMINAL BOTH ENDS 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 3110-01-195-5535, 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
M31421100
NSN: 3110-01-195-5535
FSC: 3110
CAGE: S4270 — KOBE STEEL LTD (JPN)
SPECIFICATIONS
materialPLASTIC SILICONE OVERALL
end_styleRAISED HOOK BOTH ENDS
case_styleSQUARE
seal_width0.605 INCHES NOMINAL IN
design_typeCLOSED
hook_radius0.203 INCHES NOMINAL BOTH ENDS IN
temp_rating-30.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
coil_quantity45-1/2
opening_width1.656 INCHES NOMINAL BOTH ENDS IN
inside_diameter0.405 INCHES NOMINAL IN
mounting_methodUNTHREADED HOLE(S)
outside_diameter5.759 INCHES NOMINAL IN
NSN3110-01-195-5535
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: M31421100 · 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 8
1421-2Interchangeable
interchangeable cross-reference
interchangeable
80575R1Interchangeable
interchangeable cross-reference
interchangeable
A14212Interchangeable
interchangeable cross-reference
interchangeable
7735320Interchangeable
interchangeable cross-reference
interchangeable
370036AInterchangeable
interchangeable cross-reference
interchangeable
B370036BG1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M31421100?
M31421100 is a BEARING,ROLLER,TAPERED.
What parts can replace M31421100?
There are 8 known substitutes for M31421100: 1421-2, 80575R1, A14212 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M31421100?
M31421100 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-195-5535. 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