PartsTable
Technical Data Sheet
Download PDF

03-505-09 — BEARING,ROLLER,TAPERED

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

03-505-09: 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, bore_diameter: 0.5625 INCHES NOMINAL IN, overall_width: 0.562 INCHES NOMINAL IN, outer_ring_width: 0.437 INCHES NOMINAL IN, overall_outside_diameter: 1.0937 INCHES NOMINAL IN, part_name_assigned_by_controlling_agency: SPHERICAL BEARING. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-720-6902, 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
03-505-09
NSN: 3110-01-720-6902
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 51588 — RBC BEARINGS INCORPORATED DIV WEST TRENTON DIVISION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_diameter0.5625 INCHES NOMINAL IN
overall_width0.562 INCHES NOMINAL IN
outer_ring_width0.437 INCHES NOMINAL IN
overall_outside_diameter1.0937 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencySPHERICAL BEARING
NSN3110-01-720-6902
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 03-505-09 · 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
•
OUTER RING WIDTH: 0.437 INCHES NOMINAL IN
•
OVERALL OUTSIDE DIAMETER: 1.0937 INCHES NOMINAL IN
•
BORE DIAMETER: 0.5625 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
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
OUTER RING WIDTH0.437 INCHES NOMINAL IN
OVERALL WIDTH0.562 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER1.0937 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYSPHERICAL BEARING
BORE DIAMETER0.5625 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
OTHER ITEMS IN FSC 3110 — Bearings, Antifriction, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3110-00-001-1937 3110-00-001-1938 3110-00-001-4661 3110-00-001-4662 3110-00-001-4689 3110-00-001-4722
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
Ready to buy 03-505-09?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 03-505-09?
03-505-09 is a BEARING,ROLLER,TAPERED.
What is the NSN for 03-505-09?
03-505-09 is cataloged in the U.S. Government catalog under NSN 3110-01-720-6902. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 03-505-09

✓ 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.