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220307 ✓ Verified by PartsTable
Leitz · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The BEARING,ROLLER,TAPERED is a Leitz tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include style_designator: STEEP ANGLE, end_item_identification: HUB AND SHAFT GROUP FRONT AXLE, part_name_assigned_by_controlling_agency: CONE-BEARING, OUTER. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-359-0439, 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
220307
NSN: 5340-00-359-0439
FSC: 5340
CAGE: 95201 — NAPCO INTERNATIONAL LLC DBA NAPCO INTERNATIONAL INC (USA)
SPECIFICATIONS
style_designatorSTEEP ANGLE
end_item_identificationHUB AND SHAFT GROUP FRONT AXLE
part_name_assigned_by_controlling_agencyCONE-BEARING, OUTER
NSN5340-00-359-0439
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 220307 MFR: Leitz ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
C180-016-0250Interchangeable
interchangeable cross-reference
interchangeable
900717-2Interchangeable
interchangeable cross-reference
interchangeable
280041Interchangeable
interchangeable cross-reference
interchangeable
SM-C-143770Interchangeable
interchangeable cross-reference
interchangeable
LPPTGX61-1Interchangeable
interchangeable cross-reference
interchangeable
MC1000Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 220307?
220307 is a BEARING,ROLLER,TAPERED manufactured by Leitz.
What parts can replace 220307?
There are 26 known substitutes for 220307: C180-016-0250, 900717-2, 280041 and 23 more. Substitute compatibility should be verified for your specific system.
Is 220307 still available?
220307 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026