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Technical Data Sheet
PartsTable / COMPONENT / HM212011
HM212011 ✓ 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 CUP,TAPERED ROLLER BEARING is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include material: COPPER ALLOY OVERALL, corner_shape: SQUARE ALL CORNERS, overall_length: 0.7500 INCHES NOMINAL IN, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 1.2540 INCHES MINIMUM AND 1.2560 INCHES MAXIMUM IN, body_outside_diameter: 1.3760 INCHES MINIMUM AND 1.3780 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-293-8997, 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
HM212011
NSN: 3110-00-293-8997
FSC: 3110
CAGE: 24785 — VICKERS INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
corner_shapeSQUARE ALL CORNERS
overall_length0.7500 INCHES NOMINAL IN
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter1.2540 INCHES MINIMUM AND 1.2560 INCHES MAXIMUM IN
body_outside_diameter1.3760 INCHES MINIMUM AND 1.3780 INCHES MAXIMUM IN
NSN3110-00-293-8997
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: HM212011 · 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 27
1517-103Interchangeable
interchangeable cross-reference
interchangeable
212-011Interchangeable
interchangeable cross-reference
interchangeable
3750-5Interchangeable
interchangeable cross-reference
interchangeable
181323Interchangeable
interchangeable cross-reference
interchangeable
HL605Z8-15001JInterchangeable
interchangeable cross-reference
interchangeable
280-1138P67Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is HM212011?
HM212011 is a CUP,TAPERED ROLLER BEARING.
What parts can replace HM212011?
There are 27 known substitutes for HM212011: 1517-103, 212-011, 3750-5 and 24 more. Substitute compatibility should be verified for your specific system.
Is HM212011 still available?
HM212011 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