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Technical Data Sheet
PartsTable / COMPONENT / 11629138-2
11629138-2 ✓ 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: STEEL OVERALL, bore_diameter: 3.0630 INCHES NOMINAL IN, inner_ring_width: 0.9648 INCHES NOMINAL IN, outer_ring_width: 0.6875 INCHES NOMINAL IN, style_designator: ANGULAR CONTACT, SPHERICAL ROLLERS, SEPARABLE, end_item_identification: ARMORED CARRIER,M2 AND M3. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-144-2960, 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
11629138-2
NSN: 3110-01-144-2960
FSC: 3110
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_diameter3.0630 INCHES NOMINAL IN
inner_ring_width0.9648 INCHES NOMINAL IN
outer_ring_width0.6875 INCHES NOMINAL IN
style_designatorANGULAR CONTACT, SPHERICAL ROLLERS, SEPARABLE
end_item_identificationARMORED CARRIER,M2 AND M3
overall_outside_diameter4.7817 INCHES NOMINAL IN
retainer_fabrication_methodMACHINED
material_document_and_classificationMIL-STD-130 MIL STD ALL MATERIAL RESPONSES OVERALL
NSN3110-01-144-2960
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 11629138-2 · 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
•
INNER RING WIDTH: 0.9648 INCHES NOMINAL IN
•
RETAINER FABRICATION METHOD: MACHINED
•
BORE DIAMETER: 3.0630 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-STD-130 MIL STD ALL MATERIAL RESPONSES OVERALL
•
STYLE DESIGNATOR: ANGULAR CONTACT, SPHERICAL ROLLERS, SEPARABLE
•
OUTER RING WIDTH: 0.6875 INCHES NOMINAL IN
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
TECHNICAL CHARACTERISTICS (FLIS)
INNER RING WIDTH0.9648 INCHES NOMINAL IN
RETAINER FABRICATION METHODMACHINED
BORE DIAMETER3.0630 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-STD-130 MIL STD ALL MATERIAL RESPONSES OVERALL
STYLE DESIGNATORANGULAR CONTACT, SPHERICAL ROLLERS, SEPARABLE
OUTER RING WIDTH0.6875 INCHES NOMINAL IN
END ITEM IDENTIFICATIONARMORED CARRIER,M2 AND M3
OVERALL OUTSIDE DIAMETER4.7817 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
34306-34478Interchangeable
interchangeable cross-reference
interchangeable
RM3-86Interchangeable
interchangeable cross-reference
interchangeable
FV 1030324Interchangeable
interchangeable cross-reference
interchangeable
11629138Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 11629138-2?
11629138-2 is a BEARING,ROLLER,TAPERED.
What parts can replace 11629138-2?
There are 4 known substitutes for 11629138-2: 34306-34478, RM3-86, FV 1030324 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 11629138-2?
11629138-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-144-2960. 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