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G05581-821 — BEARING,ROLLER

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

G05581-821: BEARING,ROLLER.

The BEARING,ROLLER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1010 OR STEEL COMP 1020 OR STEEL COMP 8615 SHELL, bore_diameter: 2.4994 INCHES MINIMUM AND 2.5000 INCHES MAXIMUM IN, overall_width: 1.4900 INCHES MINIMUM AND 1.5000 INCHES MAXIMUM IN, alignment_type: RIGID, special_features: OPEN END,EXTRA CAPACITY OUTER RACE,OIL HOLE IN OUTER RACE, style_designator: NON-SEPARABLE, OPEN END, DRAWN SHELL. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-072-6431, 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
G05581-821
NSN: 3110-01-072-6431
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: K4234 — TEXTRON GROUND SUPPORT EQUIPMENT UK LIMITED DIV AIRCRAFT HANDLING AND AIRPORT EQUIPMENT (GBR)
SPECIFICATIONS
materialSTEEL COMP 1010 OR STEEL COMP 1020 OR STEEL COMP 8615 SHELL
bore_diameter2.4994 INCHES MINIMUM AND 2.5000 INCHES MAXIMUM IN
overall_width1.4900 INCHES MINIMUM AND 1.5000 INCHES MAXIMUM IN
alignment_typeRIGID
special_featuresOPEN END,EXTRA CAPACITY OUTER RACE,OIL HOLE IN OUTER RACE
style_designatorNON-SEPARABLE, OPEN END, DRAWN SHELL
overall_outside_diameter2.8750 INCHES NOMINAL IN
standard_tolerance_designationAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
NSN3110-01-072-6431
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: G05581-821 · 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
SUBSTITUTES & CROSS-REFERENCES 2
G05581-821AReference document
Same NSN cross-reference
Reference document — Secondary reference
GO55811-821BSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 G05581-821?
G05581-821 is a BEARING,ROLLER.
What parts can replace G05581-821?
There are 2 known substitutes for G05581-821: G05581-821A, GO55811-821B. Substitute compatibility should be verified for your specific system.
What is the NSN for G05581-821?
G05581-821 is cataloged in the U.S. Government catalog under NSN 3110-01-072-6431. 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.