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Technical Data Sheet
PartsTable / COMPONENT / 1931481
1931481 ✓ 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 special_features: FOR AIR CONDITIONER AND TEMP CONTROL EQUIPMENT, end_item_identification: 757 BOEING AIRCRAFT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-929-4083, 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
1931481
NSN: 3110-00-929-4083
FSC: 3110
CAGE: 12204 — CHRYSLER REALTY COMPANY LLC DBA DAIMLER CHRYSLER (USA)
SPECIFICATIONS
special_featuresFOR AIR CONDITIONER AND TEMP CONTROL EQUIPMENT
end_item_identification757 BOEING AIRCRAFT
NSN3110-00-929-4083
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 1931481 · 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
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: NORMAL ANGLE
•
BACKFACE CORNER RADIUS: 0.0300 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 3.7500 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 WIDTH0.8750 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
MATERIALSTEEL OVERALL
STYLE DESIGNATORNORMAL ANGLE
BACKFACE CORNER RADIUS0.0300 INCHES NOMINAL IN
SPECIAL FEATURESDUTY CLASS HM SERIES
OUTSIDE DIAMETER3.7500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
15799Interchangeable
interchangeable cross-reference
interchangeable
SCC85274Interchangeable
interchangeable cross-reference
interchangeable
SMC185209Interchangeable
interchangeable cross-reference
interchangeable
60-11991Interchangeable
interchangeable cross-reference
interchangeable
AMS-QQ-A-200/3Interchangeable
interchangeable cross-reference
interchangeable
BAC1514-156Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1931481?
1931481 is a CUP,TAPERED ROLLER BEARING.
What parts can replace 1931481?
There are 23 known substitutes for 1931481: 15799, SCC85274, SMC185209 and 20 more. Substitute compatibility should be verified for your specific system.
Is 1931481 still available?
1931481 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