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1-7303 — CONE AND ROLLERS,TAPERED ROLLER

✓ Government record, cited
3M · TAPERED BEARING
PRODUCT OVERVIEW

1-7303: CONE AND ROLLERS,TAPERED ROLLER.

Holds strongly, removes cleanly, no surface damage. - Command Adhesive holds on strong, but pull the tab and it removes cleanly without damaging the surface. - Easy to apply reusable hooks and clips.

- Ideal for organising and decorating any home or office environment. This part is cataloged in the U.S. Government catalog under NSN 3110-00-142-4363, 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
1-7303
NSN: 3110-00-142-4363
NIINs: 001424363, 002051950, 008866505, 012871343, 013411751, 013447216
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 31007 — NAVISTAR INTERNATIONAL CORPORATION DBA NAVISTAR (USA)
SPECIFICATIONS
outside_diameter2.000 INCHES NOMINAL IN
style_designatorROUND
overall_thickness1.125 INCHES NOMINAL IN
end_item_identificationNORTHWESTERN TOOLS CO MODEL AN/TRC-40 RADIO SET
NSN3110-00-142-4363
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 1-7303 · 3M ⚠ 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
•
STYLE DESIGNATOR: NORMAL ANGLE
•
CONE CORNER RADIUS: 0.1406 INCHES NOMINAL IN
•
CONE WIDTH: 1.4440 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
BORE DIAMETER: 2.2500 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
STYLE DESIGNATORNORMAL ANGLE
CONE CORNER RADIUS0.1406 INCHES NOMINAL IN
CONE WIDTH1.4440 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
BORE DIAMETER2.2500 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 7
200C8531Reference document
Same NSN cross-reference
Reference document — Secondary reference
555SReference document
Same NSN cross-reference
Reference document — Secondary reference
C5TZ1216-AReference document
Same NSN cross-reference
Reference document — Secondary reference
042869Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
62AX157Reference document
Same NSN cross-reference
Reference document — Secondary reference
17303HReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1-7303?
1-7303 is a CONE AND ROLLERS,TAPERED ROLLER manufactured by 3M.
What parts can replace 1-7303?
There are 7 known substitutes for 1-7303: 200C8531, 555S, C5TZ1216-A and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1-7303?
1-7303 is cataloged in the U.S. Government catalog under NSN 3110-00-142-4363. 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.