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Technical Data Sheet
PartsTable / COMPONENT / D90972
D90972 ✓ 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: STEEL OVERALL, overall_width: 27.0 MILLIMETERS NOMINAL MM, outside_diameter: 150.0 MILLIMETERS NOMINAL MM, special_features: DUTY CLASS JM SERIES, style_designator: NORMAL ANGLE, backface_corner_radius: 2.5 MILLIMETERS NOMINAL MM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-351-3927, 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
D90972
NSN: 3110-00-351-3927
FSC: 3110
CAGE: 23926 — KOMATSU AMERICA CORPORATION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_width27.0 MILLIMETERS NOMINAL MM
outside_diameter150.0 MILLIMETERS NOMINAL MM
special_featuresDUTY CLASS JM SERIES
style_designatorNORMAL ANGLE
backface_corner_radius2.5 MILLIMETERS NOMINAL MM
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-351-3927
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: D90972 · 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
•
BACKFACE CORNER RADIUS: 2.5 MILLIMETERS NOMINAL MM
•
OUTSIDE DIAMETER: 150.0 MILLIMETERS NOMINAL MM
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
STYLE DESIGNATOR: NORMAL ANGLE
•
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)
BACKFACE CORNER RADIUS2.5 MILLIMETERS NOMINAL MM
OUTSIDE DIAMETER150.0 MILLIMETERS NOMINAL MM
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
SPECIAL FEATURESDUTY CLASS JM SERIES
STYLE DESIGNATORNORMAL ANGLE
MATERIALSTEEL OVERALL
OVERALL WIDTH27.0 MILLIMETERS NOMINAL MM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
C1172-10Interchangeable
interchangeable cross-reference
interchangeable
GEZ010 ESInterchangeable
interchangeable cross-reference
interchangeable
6SBB10Interchangeable
interchangeable cross-reference
interchangeable
90972Interchangeable
interchangeable cross-reference
interchangeable
619697C1Interchangeable
Same NIIN cross-reference
interchangeable
JM719113CLASSKInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D90972?
D90972 is a CUP,TAPERED ROLLER BEARING.
What parts can replace D90972?
There are 8 known substitutes for D90972: C1172-10, GEZ010 ES, 6SBB10 and 5 more. Substitute compatibility should be verified for your specific system.
Is D90972 still available?
D90972 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