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84218 — CONE AND ROLLERS,TAPERED ROLLER

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

84218: CONE AND ROLLERS,TAPERED ROLLER.

CONE AND ROLLERS,TAPERED ROLLER. Key specifications include material: STEEL OVERALL, cone_width: 1.4212 INCHES NOMINAL IN, bore_diameter: 3.1875 INCHES NOMINAL IN, special_features: MOUNTING STEM 1/2-14 DRYSEAL THREAD PTF SAE SHORT 9/16 LONG, RED LIGHT HOT ON A 194F TO 206F, style_designator: CYLINDRICAL W/FLANGE, cone_corner_radius: 0.1406 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-100-0645, 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
84218
NSN: 3110-00-100-0645
NIINs: 001000645, 013351949, 014654142, 014969004, 016971228
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 23382 — FWD SEAGRAVE HOLDINGS LP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cone_width1.4212 INCHES NOMINAL IN
bore_diameter3.1875 INCHES NOMINAL IN
special_featuresMOUNTING STEM 1/2-14 DRYSEAL THREAD PTF SAE SHORT 9/16 LONG, RED LIGHT HOT ON A 194F TO 206F
style_designatorCYLINDRICAL W/FLANGE
cone_corner_radius0.1406 INCHES NOMINAL IN
contact_action_stimulusINCREASE
end_item_identificationBOAT UTILITY
media_for_which_designedGAS OR LIQUID
temp_sensing_element_typeINTERNAL SENSOR
standard_tolerance_designationAFBMA CLASS 2
part_name_assigned_by_controlling_agencySHIPPING AND STORAGE CONTAINER
NSN3110-00-100-0645
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 84218 · 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: 0.1406 INCHES NOMINAL IN
•
CONE WIDTH: 1.4212 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
BORE DIAMETER: 3.1875 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 WIDTH1.4212 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
BORE DIAMETER3.1875 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 10
581Reference document
Same NSN cross-reference
Reference document — Secondary reference
0048702Reference document
Same NSN cross-reference
Reference document — Secondary reference
380GX6Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
48702Reference document
Same NSN cross-reference
Reference document — Secondary reference
2GD82Reference document
Same NSN cross-reference
Reference document — Secondary reference
553219Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 84218?
84218 is a CONE AND ROLLERS,TAPERED ROLLER.
What parts can replace 84218?
There are 10 known substitutes for 84218: 581, 0048702, 380GX6 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 84218?
84218 is cataloged in the U.S. Government catalog under NSN 3110-00-100-0645. 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.