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Technical Data Sheet
PartsTable / COMPONENT / HM89446-HM89410
HM89446-HM89410 ✓ 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, cup_width: 0.9063 INCHES NOMINAL IN, cone_width: 1.1250 INCHES NOMINAL IN, bore_diameter: 1.3750 INCHES NOMINAL IN, overall_width: 1.1563 INCHES NOMINAL IN, standout_width: 0.2500 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-289-6633, 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
HM89446-HM89410
NSN: 3110-00-289-6633
FSC: 3110
CAGE: 60038 — THE TIMKEN CORPORATION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cup_width0.9063 INCHES NOMINAL IN
cone_width1.1250 INCHES NOMINAL IN
bore_diameter1.3750 INCHES NOMINAL IN
overall_width1.1563 INCHES NOMINAL IN
standout_width0.2500 INCHES NOMINAL IN
style_designatorSTRAIGHT BORE, NORMAL ANGLE
cone_corner_radius0.1400 INCHES NOMINAL IN
backface_corner_radius0.1300 INCHES NOMINAL IN
overall_outside_diameter3.0000 INCHES NOMINAL IN
retainer_fabrication_methodPRESSED
standard_tolerance_designationAFBMA CLASS 4
NSN3110-00-289-6633
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: HM89446-HM89410 · 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
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 4
•
CONE WIDTH: 1.1250 INCHES NOMINAL IN
•
OVERALL OUTSIDE DIAMETER: 3.0000 INCHES NOMINAL IN
•
BORE DIAMETER: 1.3750 INCHES NOMINAL IN
•
RETAINER FABRICATION METHOD: PRESSED
•
STANDOUT WIDTH: 0.2500 INCHES NOMINAL IN
•
CUP WIDTH: 0.9063 INCHES NOMINAL IN
•
BACKFACE CORNER RADIUS: 0.1300 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)
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 4
CONE WIDTH1.1250 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER3.0000 INCHES NOMINAL IN
BORE DIAMETER1.3750 INCHES NOMINAL IN
RETAINER FABRICATION METHODPRESSED
STANDOUT WIDTH0.2500 INCHES NOMINAL IN
CUP WIDTH0.9063 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.1300 INCHES NOMINAL IN
CONE CORNER RADIUS0.1400 INCHES NOMINAL IN
OVERALL WIDTH1.1563 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
129020Interchangeable
interchangeable cross-reference
interchangeable
3DD5Interchangeable
interchangeable cross-reference
interchangeable
1779Interchangeable
interchangeable cross-reference
interchangeable
A13777AInterchangeable
interchangeable cross-reference
interchangeable
S16003AInterchangeable
interchangeable cross-reference
interchangeable
368-362AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is HM89446-HM89410?
HM89446-HM89410 is a BEARING,ROLLER,TAPERED.
What parts can replace HM89446-HM89410?
There are 16 known substitutes for HM89446-HM89410: 129020, 3DD5, 1779 and 13 more. Substitute compatibility should be verified for your specific system.
Is HM89446-HM89410 still available?
HM89446-HM89410 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