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203-1993332SHIPC104 — BEARING,ROLLER,TAPERED

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

203-1993332SHIPC104: BEARING,ROLLER,TAPERED.

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, cone_width: 3.6250 INCHES NOMINAL IN, bore_diameter: 3.8125 INCHES NOMINAL IN, overall_width: 4.0000 INCHES NOMINAL IN, cone_corner_radius: 0.1400 INCHES NOMINAL IN, backface_corner_radius: 0.1300 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-967-7976, 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
203-1993332SHIPC104
NSN: 3110-00-967-7976
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cone_width3.6250 INCHES NOMINAL IN
bore_diameter3.8125 INCHES NOMINAL IN
overall_width4.0000 INCHES NOMINAL IN
special_features2 OIL HOLES .040 IN. DIA,COUNTERSUNK .090 IN. DIA BY 45 DEG DIAMETRICALLY OPPOSITE,2 SINGLE CONES,2 SINGLE CUPS WITH 5YS-90744 CUP SPACER,TSS-DM SERIES,NON ADJUSTABLE,STEEP ANGLE IN
cone_corner_radius0.1400 INCHES NOMINAL IN
backface_corner_radius0.1300 INCHES NOMINAL IN
overall_outside_diameter7.4375 INCHES NOMINAL IN
retainer_fabrication_methodPRESSED
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-967-7976
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 203-1993332SHIPC104 · 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
•
RETAINER FABRICATION METHOD: PRESSED
•
OVERALL OUTSIDE DIAMETER: 7.4375 INCHES NOMINAL IN
•
BACKFACE CORNER RADIUS: 0.1300 INCHES NOMINAL IN
•
CONE CORNER RADIUS: 0.1400 INCHES NOMINAL IN
•
CONE WIDTH: 3.6250 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
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
RETAINER FABRICATION METHODPRESSED
OVERALL WIDTH4.0000 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER7.4375 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.1300 INCHES NOMINAL IN
CONE CORNER RADIUS0.1400 INCHES NOMINAL IN
CONE WIDTH3.6250 INCHES NOMINAL IN
SPECIAL FEATURES2 OIL HOLES .040 IN. DIA,COUNTERSUNK .090 IN. DIA BY 45 DEG DIAMETRICALLY OPPOSITE,2 SINGLE CONES,2 SINGLE CUPS WITH 5YS-90744 CUP SPACER,TSS-DM SERIES,NON ADJUSTABLE,STEEP ANGLE IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
BORE DIAMETER3.8125 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
332-104Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 203-1993332SHIPC104?
203-1993332SHIPC104 is a BEARING,ROLLER,TAPERED.
What parts can replace 203-1993332SHIPC104?
There is 1 known substitute for 203-1993332SHIPC104: 332-104. Substitute compatibility should be verified for your specific system.
What is the NSN for 203-1993332SHIPC104?
203-1993332SHIPC104 is cataloged in the U.S. Government catalog under NSN 3110-00-967-7976. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.