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Technical Data Sheet
PartsTable / COMPONENT / MS19081-184
MS19081-184 ✓ 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: 0.4200 INCHES NOMINAL IN, cone_width: 0.5800 INCHES NOMINAL IN, bore_diameter: 1.0000 INCHES NOMINAL IN, overall_width: 0.5600 INCHES NOMINAL IN, standout_width: 0.1400 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-856-0781, 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
MS19081-184
NSN: 3110-00-856-0781
FSC: 3110
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL OVERALL
cup_width0.4200 INCHES NOMINAL IN
cone_width0.5800 INCHES NOMINAL IN
bore_diameter1.0000 INCHES NOMINAL IN
overall_width0.5600 INCHES NOMINAL IN
standout_width0.1400 INCHES NOMINAL IN
special_featuresDUTY CLASS L SERIES
style_designatorSTRAIGHT BORE, NORMAL ANGLE
cone_corner_radius0.0460 INCHES NOMINAL IN
backface_corner_radius0.0500 INCHES NOMINAL IN
overall_outside_diameter1.9800 INCHES NOMINAL IN
retainer_fabrication_methodPRESSED
NSN3110-00-856-0781
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: MS19081-184 · 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
•
STYLE DESIGNATOR: STRAIGHT BORE, NORMAL ANGLE
•
RETAINER FABRICATION METHOD: PRESSED
•
MATERIAL: STEEL OVERALL
•
CONE CORNER RADIUS: 0.0460 INCHES NOMINAL IN
•
STANDOUT WIDTH: 0.1400 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 4
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)
SPECIAL FEATURESDUTY CLASS L SERIES
STYLE DESIGNATORSTRAIGHT BORE, NORMAL ANGLE
RETAINER FABRICATION METHODPRESSED
MATERIALSTEEL OVERALL
CONE CORNER RADIUS0.0460 INCHES NOMINAL IN
STANDOUT WIDTH0.1400 INCHES NOMINAL IN
OVERALL WIDTH0.5600 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 4
OVERALL OUTSIDE DIAMETER1.9800 INCHES NOMINAL IN
CONE WIDTH0.5800 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
15902Interchangeable
interchangeable cross-reference
interchangeable
140-1784-03-01-00Interchangeable
interchangeable cross-reference
interchangeable
1131H-CInterchangeable
interchangeable cross-reference
interchangeable
10-402-3Interchangeable
interchangeable cross-reference
interchangeable
M6738Interchangeable
interchangeable cross-reference
interchangeable
13024Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS19081-184?
MS19081-184 is a BEARING,ROLLER,TAPERED.
What parts can replace MS19081-184?
There are 24 known substitutes for MS19081-184: 15902, 140-1784-03-01-00, 1131H-C and 21 more. Substitute compatibility should be verified for your specific system.
Is MS19081-184 still available?
MS19081-184 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