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D9387 — BEARING,ROLLER,TAPERED

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

D9387: 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, cup_width: 2.1250 INCHES NOMINAL IN, bore_diameter: 2.7559 INCHES NOMINAL IN, overall_width: 5.800 INCHES NOMINAL IN, overall_height: 0.500 INCHES NOMINAL IN, overall_length: 8.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-084-3483, 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
MRO→ MRO_GENERAL→ D9387
NSN: 3110-00-084-3483
NIINs: 000843483, 013067196
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 59690 — KOEHRING CO LORAIN DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cup_width2.1250 INCHES NOMINAL IN
bore_diameter2.7559 INCHES NOMINAL IN
overall_width5.800 INCHES NOMINAL IN
overall_height0.500 INCHES NOMINAL IN
overall_length8.250 INCHES NOMINAL IN
standout_width0.2188 INCHES NOMINAL IN
special_featuresOIL HOLE & GROOVE IN CUP
style_designatorSTRAIGHT BORE, DOUBLE CUP, SINGLE CONES
cone_corner_radius0.0800 INCHES NOMINAL IN
backface_corner_radius0.0300 INCHES NOMINAL IN
end_item_identificationAN/FRT-96
NSN3110-00-084-3483
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: D9387 · 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
•
CUP WIDTH: 2.1250 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STRAIGHT BORE, DOUBLE CUP, SINGLE CONES
•
OVERALL OUTSIDE DIAMETER: 4.7244 INCHES NOMINAL IN
•
BACKFACE CORNER RADIUS: 0.0300 INCHES NOMINAL IN
•
CONE CORNER RADIUS: 0.0800 INCHES NOMINAL IN
•
STANDOUT WIDTH: 0.2188 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 WIDTH2.1250 INCHES NOMINAL IN
STYLE DESIGNATORSTRAIGHT BORE, DOUBLE CUP, SINGLE CONES
OVERALL WIDTH2.5626 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER4.7244 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.0300 INCHES NOMINAL IN
CONE CORNER RADIUS0.0800 INCHES NOMINAL IN
STANDOUT WIDTH0.2188 INCHES NOMINAL IN
SPECIAL FEATURESOIL HOLE & GROOVE IN CUP
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
BORE DIAMETER2.7559 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is D9387?
D9387 is a BEARING,ROLLER,TAPERED. It is classified as a MRO (MRO_GENERAL).
What is the NSN for D9387?
D9387 is cataloged in the U.S. Government catalog under NSN 3110-00-084-3483. 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.