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9139724 — BEARING,BALL,THRUST

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

9139724: BEARING,BALL,THRUST.

The BEARING,BALL,THRUST is a the manufacturer industrial component. Key specifications include material: STEEL BALL, alignment_type: RIGID, overall_height: 0.2812 INCHES NOMINAL IN, surface_finish: GROUND, style_designator: FLAT RACE SURFACE, STAGGERED BALL RETAINER, bore_smallest_diameter: 0.3750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-155-9141, 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
9139724
NSN: 3110-00-155-9141
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialSTEEL BALL
alignment_typeRIGID
overall_height0.2812 INCHES NOMINAL IN
surface_finishGROUND
style_designatorFLAT RACE SURFACE, STAGGERED BALL RETAINER
bore_smallest_diameter0.3750 INCHES NOMINAL IN
overall_outside_diameter0.6875 INCHES NOMINAL IN
standard_tolerance_designationABEC NO.1
thrust_directional_capability_designationSINGLE
NSN3110-00-155-9141
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 9139724 · 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
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: FLAT RACE SURFACE, STAGGERED BALL RETAINER
•
THRUST DIRECTIONAL CAPABILITY DESIGNATION: SINGLE
•
OVERALL OUTSIDE DIAMETER: 0.6875 INCHES NOMINAL IN
•
BORE SMALLEST DIAMETER: 0.3750 INCHES NOMINAL IN
•
ALIGNMENT TYPE: RIGID
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.2812 INCHES NOMINAL IN
SURFACE FINISHGROUND
STYLE DESIGNATORFLAT RACE SURFACE, STAGGERED BALL RETAINER
THRUST DIRECTIONAL CAPABILITY DESIGNATIONSINGLE
OVERALL OUTSIDE DIAMETER0.6875 INCHES NOMINAL IN
BORE SMALLEST DIAMETER0.3750 INCHES NOMINAL IN
ALIGNMENT TYPERIGID
STANDARD TOLERANCE DESIGNATIONABEC NO.1
MATERIALSTEEL BALL
MATERIALSTEEL WASHER
SUBSTITUTES & CROSS-REFERENCES 7
SF70N01Reference document
Same NSN cross-reference
Reference document — Secondary reference
JS76PC13Reference document
Same NSN cross-reference
Reference document — Secondary reference
4-458-12Reference document
Same NSN cross-reference
Reference document — Secondary reference
FT010Reference document
Same NSN cross-reference
Reference document — Secondary reference
SF70-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
ENJ76PC13Reference 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 9139724?
9139724 is a BEARING,BALL,THRUST.
What parts can replace 9139724?
There are 7 known substitutes for 9139724: SF70N01, JS76PC13, 4-458-12 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 9139724?
9139724 is cataloged in the U.S. Government catalog under NSN 3110-00-155-9141. 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.