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12273109 — CONE AND ROLLERS,TAPERED ROLLER

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

12273109: CONE AND ROLLERS,TAPERED ROLLER.

CONE AND ROLLERS,TAPERED ROLLER. Key specifications include material: STEEL OVERALL, cone_width: 1.7230 INCHES NOMINAL IN, bore_diameter: 2.1250 INCHES NOMINAL IN, style_designator: NORMAL ANGLE, cone_corner_radius: 0.1300 INCHES NOMINAL IN, end_item_identification: NSN:2350-01-619-5649;TANK,COMBAT,FULL TRACKED.. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-682-6010, 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
12273109
NSN: 3110-01-682-6010
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cone_width1.7230 INCHES NOMINAL IN
bore_diameter2.1250 INCHES NOMINAL IN
style_designatorNORMAL ANGLE
cone_corner_radius0.1300 INCHES NOMINAL IN
end_item_identificationNSN:2350-01-619-5649;TANK,COMBAT,FULL TRACKED.
part_name_assigned_by_controlling_agencyBEARING ASSEMBLY-TAPERED ROLLER BEARING.
NSN3110-01-682-6010
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 12273109 · 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
•
STYLE DESIGNATOR: NORMAL ANGLE
•
CONE CORNER RADIUS: 0.1300 INCHES NOMINAL IN
•
CONE WIDTH: 1.7230 INCHES NOMINAL IN
•
BORE DIAMETER: 2.1250 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 RADIUS0.1300 INCHES NOMINAL IN
CONE WIDTH1.7230 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYBEARING ASSEMBLY-TAPERED ROLLER BEARING.
END ITEM IDENTIFICATIONNSN:2350-01-619-5649;TANK,COMBAT,FULL TRACKED.
BORE DIAMETER2.1250 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
5578-5535Reference 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 12273109?
12273109 is a CONE AND ROLLERS,TAPERED ROLLER.
What parts can replace 12273109?
There is 1 known substitute for 12273109: 5578-5535. Substitute compatibility should be verified for your specific system.
What is the NSN for 12273109?
12273109 is cataloged in the U.S. Government catalog under NSN 3110-01-682-6010. 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.