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Technical Data Sheet
PartsTable / COMPONENT / MS19081-7
MS19081-7 ✓ 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 CONE, cup_width: 0.3750 INCHES NOMINAL IN, cone_width: 0.4391 INCHES NOMINAL IN, bore_diameter: 0.7500 INCHES NOMINAL IN, overall_width: 0.4730 INCHES NOMINAL IN, standout_width: 0.0980 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-155-7447, 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
MS19081-7
NSN: 3110-00-155-7447
FSC: 3110
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL CONE
cup_width0.3750 INCHES NOMINAL IN
cone_width0.4391 INCHES NOMINAL IN
bore_diameter0.7500 INCHES NOMINAL IN
overall_width0.4730 INCHES NOMINAL IN
standout_width0.0980 INCHES NOMINAL IN
style_designatorSTRAIGHT BORE, NORMAL ANGLE
features_providedALIGNING RING
cone_corner_radius0.0400 INCHES NOMINAL IN
backface_corner_radius0.0500 INCHES NOMINAL IN
overall_outside_diameter1.5745 INCHES NOMINAL IN
retainer_fabrication_methodPRESSED
NSN3110-00-155-7447
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: MS19081-7 · 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 DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE CUP
•
CONE WIDTH: 0.4391 INCHES NOMINAL IN
•
BACKFACE CORNER RADIUS: 0.0500 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 4
•
OVERALL OUTSIDE DIAMETER: 1.5745 INCHES NOMINAL IN
•
CUP WIDTH: 0.3750 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)
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE CUP
CONE WIDTH0.4391 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.0500 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 4
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 4
OVERALL OUTSIDE DIAMETER1.5745 INCHES NOMINAL IN
OVERALL WIDTH0.4730 INCHES NOMINAL IN
CUP WIDTH0.3750 INCHES NOMINAL IN
MATERIALSTEEL CUP
CONE CORNER RADIUS0.0400 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
100911Interchangeable
interchangeable cross-reference
interchangeable
31H1009-1Interchangeable
interchangeable cross-reference
interchangeable
500-8517Interchangeable
interchangeable cross-reference
interchangeable
500-1389Interchangeable
interchangeable cross-reference
interchangeable
72W1828Interchangeable
interchangeable cross-reference
interchangeable
352-9663-020Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS19081-7?
MS19081-7 is a BEARING,ROLLER,TAPERED.
What parts can replace MS19081-7?
There are 13 known substitutes for MS19081-7: 100911, 31H1009-1, 500-8517 and 10 more. Substitute compatibility should be verified for your specific system.
Is MS19081-7 still available?
MS19081-7 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