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217443 — BALL,BEARING

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

217443: BALL,BEARING.

The BALL,BEARING is a the manufacturer industrial component. Key specifications include material: STEEL BODY, nominal_thread_size: 1.000 INCHES EXTERNAL IN, thread_series_designator: NPT EXTERNAL. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-006-2453, 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
217443
NSN: 3110-00-006-2453
NIINs: 000062453, 003965251, 013493950
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 0KDP7 — KIDDE-FENWAL, LLC (USA)
SPECIFICATIONS
materialSTEEL BODY
nominal_thread_size1.000 INCHES EXTERNAL IN
thread_series_designatorNPT EXTERNAL
NSN3110-00-006-2453
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 217443 · 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
•
ROLLING ELEMENT DIAMETER: 0.1557 INCHES NOMINAL IN
•
STYLE DESIGNATOR: BALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-7420 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR BALLS, GRADE 10
•
MATERIAL: STEEL COMP E52100 OVERALL
TECHNICAL CHARACTERISTICS
ROLLING ELEMENT DIAMETER0.1557 INCHES NOMINAL IN
STYLE DESIGNATORBALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7420 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR BALLS, GRADE 10
MATERIALSTEEL COMP E52100 OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
274221Reference 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 217443?
217443 is a BALL,BEARING.
What parts can replace 217443?
There is 1 known substitute for 217443: 274221. Substitute compatibility should be verified for your specific system.
What is the NSN for 217443?
217443 is cataloged in the U.S. Government catalog under NSN 3110-00-006-2453. 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.