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6863539 — RING,BEARING,OUTER

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

6863539: RING,BEARING,OUTER.

The RING,BEARING,OUTER is a the manufacturer industrial component. Key specifications include flange_width: 0.1230 INCHES MINIMUM AND 0.1270 INCHES MAXIMUM IN, overall_width: 1.4200 INCHES MINIMUM AND 1.4300 INCHES MAXIMUM IN, surface_finish: GROUND, overall_outside_diameter: 6.5350 INCHES MINIMUM AND 6.5550 INCHES MAXIMUM IN, smallest_outside_diameter: 5.4400 INCHES MINIMUM AND 5.4500 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-883-4812, 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
6863539
NSN: 3110-00-883-4812
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 73342 — ALLISON TRANSMISSION INC DBA ALLISON TRANSMISSION, INC (USA)
SPECIFICATIONS
flange_width0.1230 INCHES MINIMUM AND 0.1270 INCHES MAXIMUM IN
overall_width1.4200 INCHES MINIMUM AND 1.4300 INCHES MAXIMUM IN
surface_finishGROUND
overall_outside_diameter6.5350 INCHES MINIMUM AND 6.5550 INCHES MAXIMUM IN
smallest_outside_diameter5.4400 INCHES MINIMUM AND 5.4500 INCHES MAXIMUM IN
NSN3110-00-883-4812
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 6863539 · 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: 6.5350 INCHES MINIMUM AND 6.5550 INCHES MAXIMUM IN
•
SMALLEST OUTSIDE DIAMETER: 5.4400 INCHES MINIMUM AND 5.4500 INCHES MAXIMUM IN
•
FLANGE WIDTH: 0.1230 INCHES MINIMUM AND 0.1270 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SURFACE FINISHGROUND
OVERALL WIDTH1.4200 INCHES MINIMUM AND 1.4300 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER6.5350 INCHES MINIMUM AND 6.5550 INCHES MAXIMUM IN
SMALLEST OUTSIDE DIAMETER5.4400 INCHES MINIMUM AND 5.4500 INCHES MAXIMUM IN
FLANGE WIDTH0.1230 INCHES MINIMUM AND 0.1270 INCHES MAXIMUM IN
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 1
EU41053Reference 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 6863539?
6863539 is a RING,BEARING,OUTER.
What parts can replace 6863539?
There is 1 known substitute for 6863539: EU41053. Substitute compatibility should be verified for your specific system.
What is the NSN for 6863539?
6863539 is cataloged in the U.S. Government catalog under NSN 3110-00-883-4812. 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.