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338101 — BEARING,ROLLER,TAPERED

✓ Government record, cited
Legrand · TAPERED BEARING
PRODUCT OVERVIEW

338101: BEARING,ROLLER,TAPERED.

The BEARING,ROLLER,TAPERED is a Legrand tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include material: STEEL OVERALL, cup_width: 4.0000 INCHES NOMINAL IN, bore_diameter: 4.0000 INCHES NOMINAL IN, overall_width: 5.0000 INCHES NOMINAL IN, standout_width: 0.5000 INCHES NOMINAL IN, special_features: OIL HOLE AND GROOVE IN CUP. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-102-3546, 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
338101
NSN: 3110-00-102-3546
NIINs: 001023546, 014380600, 016817205
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 81205 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cup_width4.0000 INCHES NOMINAL IN
bore_diameter4.0000 INCHES NOMINAL IN
overall_width5.0000 INCHES NOMINAL IN
standout_width0.5000 INCHES NOMINAL IN
special_featuresOIL HOLE AND GROOVE IN CUP
style_designatorSTRAIGHT BORE, DOUBLE CUP, SINGLE CONES
cone_corner_radius0.3120 INCHES NOMINAL IN
backface_corner_radius0.0620 INCHES NOMINAL IN
overall_outside_diameter7.5000 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-102-3546
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 338101 · Legrand ⚠ 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
•
CUP WIDTH: 4.0000 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STRAIGHT BORE, DOUBLE CUP, SINGLE CONES
•
OVERALL OUTSIDE DIAMETER: 7.5000 INCHES NOMINAL IN
•
BACKFACE CORNER RADIUS: 0.0620 INCHES NOMINAL IN
•
CONE CORNER RADIUS: 0.3120 INCHES NOMINAL IN
•
STANDOUT WIDTH: 0.5000 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
CUP WIDTH4.0000 INCHES NOMINAL IN
STYLE DESIGNATORSTRAIGHT BORE, DOUBLE CUP, SINGLE CONES
OVERALL WIDTH5.0000 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER7.5000 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.0620 INCHES NOMINAL IN
CONE CORNER RADIUS0.3120 INCHES NOMINAL IN
STANDOUT WIDTH0.5000 INCHES NOMINAL IN
SPECIAL FEATURESOIL HOLE AND GROOVE IN CUP
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
BORE DIAMETER4.0000 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 338101?
338101 is a BEARING,ROLLER,TAPERED manufactured by Legrand.
What is the NSN for 338101?
338101 is cataloged in the U.S. Government catalog under NSN 3110-00-102-3546. 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.