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HM518445 — CONE,TAPERED ROLLER BEARING

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

HM518445: CONE,TAPERED ROLLER BEARING.

The CONE,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: STEEL OVERALL, cone_width: 1.5625 INCHES NOMINAL IN, bore_diameter: 3.5000 INCHES NOMINAL IN, style_designator: NORMAL ANGLE, cone_corner_radius: 0.2500 INCHES NOMINAL IN, end_item_identification: 6115-01-572-3944. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-006-9504, 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
HM518445
NSN: 3110-01-006-9504
NIINs: 010069504, 015810628
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 0LTL1 — NTN BEARING CORPORATION OF AMERICA (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cone_width1.5625 INCHES NOMINAL IN
bore_diameter3.5000 INCHES NOMINAL IN
style_designatorNORMAL ANGLE
cone_corner_radius0.2500 INCHES NOMINAL IN
end_item_identification6115-01-572-3944
retainer_fabrication_methodPRESSED
standard_tolerance_designationAFBMA CLASS 2
part_name_assigned_by_controlling_agencyBEARING CONE,OUTER AND INNER
NSN3110-01-006-9504
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: HM518445 · 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
•
RETAINER FABRICATION METHOD: PRESSED
•
STYLE DESIGNATOR: NORMAL ANGLE
•
CONE CORNER RADIUS: 0.2500 INCHES NOMINAL IN
•
CONE WIDTH: 1.5625 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
BORE DIAMETER: 3.5000 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
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
RETAINER FABRICATION METHODPRESSED
STYLE DESIGNATORNORMAL ANGLE
CONE CORNER RADIUS0.2500 INCHES NOMINAL IN
CONE WIDTH1.5625 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
BORE DIAMETER3.5000 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
AXA000480001Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
AXA0480-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is HM518445?
HM518445 is a CONE,TAPERED ROLLER BEARING.
What parts can replace HM518445?
There are 2 known substitutes for HM518445: AXA000480001, AXA0480-1. Substitute compatibility should be verified for your specific system.
What is the NSN for HM518445?
HM518445 is cataloged in the U.S. Government catalog under NSN 3110-01-006-9504. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.