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142-33139-3 — RING,BEARING,OUTER

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

142-33139-3: RING,BEARING,OUTER.

The RING,BEARING,OUTER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_diameter: 1.6300 INCHES NOMINAL IN, overall_width: 0.6250 INCHES NOMINAL IN, surface_finish: GROUND, special_features: SPHERICAL ROLLERS, overall_outside_diameter: 1.8760 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-995-8546, 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
142-33139-3
NSN: 3110-00-995-8546
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 43999 — THE BOEING COMPANY DIV LEGACY AM&M (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_diameter1.6300 INCHES NOMINAL IN
overall_width0.6250 INCHES NOMINAL IN
surface_finishGROUND
special_featuresSPHERICAL ROLLERS
overall_outside_diameter1.8760 INCHES NOMINAL IN
NSN3110-00-995-8546
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 142-33139-3 · 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
•
OVERALL OUTSIDE DIAMETER: 1.8760 INCHES NOMINAL IN
•
BORE DIAMETER: 1.6300 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
SURFACE FINISHGROUND
OVERALL WIDTH0.6250 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER1.8760 INCHES NOMINAL IN
SPECIAL FEATURESSPHERICAL ROLLERS
BORE DIAMETER1.6300 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
OTHER ITEMS IN FSC 3110 — Bearings, Antifriction, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3110-00-001-1937 3110-00-001-1938 3110-00-001-4661 3110-00-001-4662 3110-00-001-4689 3110-00-001-4722
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 142-33139-3?
142-33139-3 is a RING,BEARING,OUTER.
What is the NSN for 142-33139-3?
142-33139-3 is cataloged in the U.S. Government catalog under NSN 3110-00-995-8546. 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.