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Technical Data Sheet
PartsTable / COMPONENT / HM926740
HM926740 ✓ 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 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: 1.9460 INCHES NOMINAL IN, bore_diameter: 4.5000 INCHES MINIMUM AND 4.5010 INCHES MAXIMUM IN, special_features: HEAVY DUTY HM SERIES, style_designator: NORMAL ANGLE, cone_corner_radius: 0.1400 INCHES MAXIMUM 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 3110-01-026-0010, 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
HM926740
NSN: 3110-01-026-0010
FSC: 3110
CAGE: 60038 — THE TIMKEN CORPORATION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cone_width1.9460 INCHES NOMINAL IN
bore_diameter4.5000 INCHES MINIMUM AND 4.5010 INCHES MAXIMUM IN
special_featuresHEAVY DUTY HM SERIES
style_designatorNORMAL ANGLE
cone_corner_radius0.1400 INCHES MAXIMUM IN
standard_tolerance_designationAFBMA CLASS 4
NSN3110-01-026-0010
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: HM926740 · 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
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: NORMAL ANGLE
•
CONE CORNER RADIUS: 0.1400 INCHES MAXIMUM IN
•
CONE WIDTH: 1.9460 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 4
•
BORE DIAMETER: 4.5000 INCHES MINIMUM AND 4.5010 INCHES MAXIMUM 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)
MATERIALSTEEL OVERALL
STYLE DESIGNATORNORMAL ANGLE
SPECIAL FEATURESHEAVY DUTY HM SERIES
CONE CORNER RADIUS0.1400 INCHES MAXIMUM IN
CONE WIDTH1.9460 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 4
BORE DIAMETER4.5000 INCHES MINIMUM AND 4.5010 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
1748-2Interchangeable
interchangeable cross-reference
interchangeable
4856-2Interchangeable
interchangeable cross-reference
interchangeable
1770XDMPC65Interchangeable
interchangeable cross-reference
interchangeable
1769XDMPC67Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is HM926740?
HM926740 is a CONE,TAPERED ROLLER BEARING.
What parts can replace HM926740?
There are 4 known substitutes for HM926740: 1748-2, 4856-2, 1770XDMPC65 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for HM926740?
HM926740 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-026-0010. 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