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Technical Data Sheet
PartsTable / COMPONENT / MS19081-56
MS19081-56 ✓ 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 RETAINER, cup_width: 0.7500 INCHES NOMINAL IN, cone_width: 1.0100 INCHES NOMINAL IN, bore_diameter: 1.5625 INCHES NOMINAL IN, overall_width: 0.9375 INCHES NOMINAL IN, standout_width: 0.1875 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-113-0636, 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
MS19081-56
NSN: 3110-01-113-0636
FSC: 3110
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL RETAINER
cup_width0.7500 INCHES NOMINAL IN
cone_width1.0100 INCHES NOMINAL IN
bore_diameter1.5625 INCHES NOMINAL IN
overall_width0.9375 INCHES NOMINAL IN
standout_width0.1875 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
NSN3110-01-113-0636
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: MS19081-56 · 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
•
CONE CORNER RADIUS: 0.1400 INCHES NOMINAL IN
•
BACKFACE CORNER RADIUS: 0.1300 INCHES NOMINAL IN
•
CUP WIDTH: 0.7500 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP E52100 CONE
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE ROLLER
•
BORE DIAMETER: 1.5625 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)
OVERALL WIDTH0.9375 INCHES NOMINAL IN
CONE CORNER RADIUS0.1400 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.1300 INCHES NOMINAL IN
CUP WIDTH0.7500 INCHES NOMINAL IN
MATERIALSTEEL COMP E52100 CONE
MATERIALSTEEL COMP E52100 CUP
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE ROLLER
BORE DIAMETER1.5625 INCHES NOMINAL IN
STYLE DESIGNATORSTRAIGHT BORE, NORMAL ANGLE
STANDOUT WIDTH0.1875 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
NR36-16Interchangeable
interchangeable cross-reference
interchangeable
X2720Interchangeable
interchangeable cross-reference
interchangeable
2720Interchangeable
interchangeable cross-reference
interchangeable
742980Interchangeable
interchangeable cross-reference
interchangeable
A1925Interchangeable
interchangeable cross-reference
interchangeable
4255820Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS19081-56?
MS19081-56 is a BEARING,ROLLER,TAPERED.
What parts can replace MS19081-56?
There are 11 known substitutes for MS19081-56: NR36-16, X2720, 2720 and 8 more. Substitute compatibility should be verified for your specific system.
Is MS19081-56 still available?
MS19081-56 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