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Technical Data Sheet
PartsTable / COMPONENT / 442093
442093 ✓ 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: 1.6875 INCHES NOMINAL IN, bore_diameter: 1.9675 INCHES NOMINAL IN, overall_width: 2.5000 INCHES NOMINAL IN, standout_width: 0.4060 INCHES NOMINAL IN, special_features: W/SPACER,HOLE AND GROVE IN CUP. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-198-2258, 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
442093
NSN: 3110-00-198-2258
FSC: 3110
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cup_width1.6875 INCHES NOMINAL IN
bore_diameter1.9675 INCHES NOMINAL IN
overall_width2.5000 INCHES NOMINAL IN
standout_width0.4060 INCHES NOMINAL IN
special_featuresW/SPACER,HOLE AND GROVE IN CUP
style_designatorSTRAIGHT BORE, DOUBLE CUP, SINGLE CONES, STEEP ANGLE
cone_corner_radius0.0800 INCHES NOMINAL IN
backface_corner_radius0.0200 INCHES NOMINAL IN
overall_outside_diameter4.3310 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-198-2258
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 442093 · 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
•
BORE DIAMETER: 1.9675 INCHES NOMINAL IN
•
BACKFACE CORNER RADIUS: 0.0200 INCHES NOMINAL IN
•
CUP WIDTH: 1.6875 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
CONE CORNER RADIUS: 0.0800 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 (FLIS)
BORE DIAMETER1.9675 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.0200 INCHES NOMINAL IN
SPECIAL FEATURESW/SPACER,HOLE AND GROVE IN CUP
CUP WIDTH1.6875 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
OVERALL WIDTH2.5000 INCHES NOMINAL IN
CONE CORNER RADIUS0.0800 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
STYLE DESIGNATORSTRAIGHT BORE, DOUBLE CUP, SINGLE CONES, STEEP ANGLE
OVERALL OUTSIDE DIAMETER4.3310 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
HR42-64Interchangeable
interchangeable cross-reference
interchangeable
6098-64Interchangeable
interchangeable cross-reference
interchangeable
101A64Interchangeable
interchangeable cross-reference
interchangeable
EA305396ZDInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 442093?
442093 is a BEARING,ROLLER,TAPERED.
What parts can replace 442093?
There are 4 known substitutes for 442093: HR42-64, 6098-64, 101A64 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 442093?
442093 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-198-2258. 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