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15903 — CONE AND ROLLERS,TAPERED ROLLER

✓ Government record, cited
Trust · TAPERED BEARING
PRODUCT OVERVIEW

15903: CONE AND ROLLERS,TAPERED ROLLER.

- 6 button laser mouse for Mac with comfortable shape. - High precision laser sensor for better performance on shiny surfaces. - With tilt scroll wheel and switchable 800-1600 dpi sensitivity.

- Rubber side pads for a firm grip. - Includes Trust Smart Button software to customize mouse settings. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-227-2757, 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
15903
NSN: 3110-00-227-2757
NIINs: 002272757, 003265927, 005395279, 008214662, 008804390, 009188456, 010230174, 014334566, 015622425, 015849157
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 07270 — MOOG INC. DBA AMPAC-ISP CORP (USA)
SPECIFICATIONS
materialALUMINUM AND PLASTIC POLYAMIDE NYLON
constructionONE-PIECE
special_featuresFOR 5 KILOGRAM WEIGHTS; 470 MM LENGTH KG
part_name_assigned_by_controlling_agencyWEIGHT FORK
NSN3110-00-227-2757
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 15903 · Trust ⚠ 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
•
CUP WIDTH: 0.5625 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STRAIGHT BORE, NORMAL ANGLE
•
OVERALL OUTSIDE DIAMETER: 3.4375 INCHES NOMINAL IN
•
BACKFACE CORNER RADIUS: 0.0620 INCHES NOMINAL IN
•
CONE CORNER RADIUS: 0.0620 INCHES NOMINAL IN
•
STANDOUT WIDTH: 0.1563 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
RETAINER FABRICATION METHODPRESSED
CUP WIDTH0.5625 INCHES NOMINAL IN
STYLE DESIGNATORSTRAIGHT BORE, NORMAL ANGLE
OVERALL WIDTH0.7188 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER3.4375 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.0620 INCHES NOMINAL IN
CONE CORNER RADIUS0.0620 INCHES NOMINAL IN
STANDOUT WIDTH0.1563 INCHES NOMINAL IN
CONE WIDTH0.7188 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
SUBSTITUTES & CROSS-REFERENCES 10
L507949L507910Reference document
Same NSN cross-reference
Reference document — Secondary reference
265-16800 ITEM 3Reference document
Same NSN cross-reference
Reference document — Secondary reference
CV60543Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
9431463Reference document
Same NSN cross-reference
Reference document — Secondary reference
302-1012P4Reference document
Same NSN cross-reference
Reference document — Secondary reference
11205-13Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 15903?
15903 is a CONE AND ROLLERS,TAPERED ROLLER manufactured by Trust.
What parts can replace 15903?
There are 10 known substitutes for 15903: L507949L507910, 265-16800 ITEM 3, CV60543 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 15903?
15903 is cataloged in the U.S. Government catalog under NSN 3110-00-227-2757. 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.