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EU42744 — RING,BEARING,INNER

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

EU42744: RING,BEARING,INNER.

The RING,BEARING,INNER is a the manufacturer industrial component. Key specifications include material: STEEL UNS T12001 OVERALL, bore_shape: STRAIGHT, bore_diameter: 4.3763 INCHES MINIMUM AND 4.3768 INCHES MAXIMUM IN, overall_width: 1.4200 INCHES MINIMUM AND 1.4250 INCHES MAXIMUM IN, surface_finish: GROUND, overall_outside_diameter: 4.7835 INCHES MINIMUM AND 4.7840 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-079-4082, 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
EU42744
NSN: 3110-00-079-4082
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: K0680 — ROLLS-ROYCE AIRLINES (GBR)
SPECIFICATIONS
materialSTEEL UNS T12001 OVERALL
bore_shapeSTRAIGHT
bore_diameter4.3763 INCHES MINIMUM AND 4.3768 INCHES MAXIMUM IN
overall_width1.4200 INCHES MINIMUM AND 1.4250 INCHES MAXIMUM IN
surface_finishGROUND
overall_outside_diameter4.7835 INCHES MINIMUM AND 4.7840 INCHES MAXIMUM IN
material_document_and_classificationAMS 5626 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN3110-00-079-4082
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: EU42744 · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5626 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OVERALL OUTSIDE DIAMETER: 4.7835 INCHES MINIMUM AND 4.7840 INCHES MAXIMUM IN
•
BORE SHAPE: STRAIGHT
•
BORE DIAMETER: 4.3763 INCHES MINIMUM AND 4.3768 INCHES MAXIMUM IN
•
MATERIAL: STEEL UNS T12001 OVERALL
TECHNICAL CHARACTERISTICS
SURFACE FINISHGROUND
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5626 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL WIDTH1.4200 INCHES MINIMUM AND 1.4250 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER4.7835 INCHES MINIMUM AND 4.7840 INCHES MAXIMUM IN
BORE SHAPESTRAIGHT
BORE DIAMETER4.3763 INCHES MINIMUM AND 4.3768 INCHES MAXIMUM IN
MATERIALSTEEL UNS T12001 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 1
6863699Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is EU42744?
EU42744 is a RING,BEARING,INNER.
What parts can replace EU42744?
There is 1 known substitute for EU42744: 6863699. Substitute compatibility should be verified for your specific system.
What is the NSN for EU42744?
EU42744 is cataloged in the U.S. Government catalog under NSN 3110-00-079-4082. 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.