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339K1 — BEARING,BALL,STEERING SHAFT

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

339K1: BEARING,BALL,STEERING SHAFT.

The BEARING,BALL,STEERING SHAFT is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_diameter: 0.9920 INCHES NOMINAL IN, overall_length: 1.0625 INCHES NOMINAL IN, special_features: W/SNAP RING,RETAINMENT WASHER AND FELT PACKING ON OD OF INNER RING,SPRING AND SPRING SEAT ASSEMBLED W/BRG, style_designator: STEERING SHAFT, flange_outside_diameter: 1.6580 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-277-0676, 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
339K1
NSN: 3110-00-277-0676
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 56442 — DIAMOND REO TRUCK CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_diameter0.9920 INCHES NOMINAL IN
overall_length1.0625 INCHES NOMINAL IN
special_featuresW/SNAP RING,RETAINMENT WASHER AND FELT PACKING ON OD OF INNER RING,SPRING AND SPRING SEAT ASSEMBLED W/BRG
style_designatorSTEERING SHAFT
flange_outside_diameter1.6580 INCHES NOMINAL IN
NSN3110-00-277-0676
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 339K1 · 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
•
FLANGE OUTSIDE DIAMETER: 1.6580 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STEERING SHAFT
•
BORE DIAMETER: 0.9920 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
FLANGE OUTSIDE DIAMETER1.6580 INCHES NOMINAL IN
STYLE DESIGNATORSTEERING SHAFT
OVERALL LENGTH1.0625 INCHES NOMINAL IN
SPECIAL FEATURESW/SNAP RING,RETAINMENT WASHER AND FELT PACKING ON OD OF INNER RING,SPRING AND SPRING SEAT ASSEMBLED W/BRG
BORE DIAMETER0.9920 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 6
88431 HXReference document
Same NSN cross-reference
Reference document — Secondary reference
09-6365Reference document
Same NSN cross-reference
Reference document — Secondary reference
84311FReference document
Same NSN cross-reference
Reference document — Secondary reference
125030Reference document
Same NSN cross-reference
Reference document — Secondary reference
72R86Reference document
Same NSN cross-reference
Reference document — Secondary reference
K65996AReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 339K1?
339K1 is a BEARING,BALL,STEERING SHAFT.
What parts can replace 339K1?
There are 6 known substitutes for 339K1: 88431 HX, 09-6365, 84311F and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 339K1?
339K1 is cataloged in the U.S. Government catalog under NSN 3110-00-277-0676. 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.