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Technical Data Sheet
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EE56 — Technical Data Sheet

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— · TAPERED BEARING
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

The SEAT,BEARING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_diameter: 1.9680 INCHES NOMINAL IN, overall_width: 0.5000 INCHES NOMINAL IN, outside_diameter: 2.8750 INCHES NOMINAL IN, special_features: W/TWO ROUND CORNERS 0.094 IN. RADIUS IN.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System under NSN 3110-00-394-2728, 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
EE56
NSN: 3110-00-394-2728
FSC: 3110
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_diameter1.9680 INCHES NOMINAL IN
overall_width0.5000 INCHES NOMINAL IN
outside_diameter2.8750 INCHES NOMINAL IN
special_featuresW/TWO ROUND CORNERS 0.094 IN. RADIUS IN
NSN3110-00-394-2728
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: EE56 · 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
•
OUTSIDE DIAMETER: 2.8750 INCHES NOMINAL IN
•
BORE DIAMETER: 1.9680 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
OVERALL WIDTH0.5000 INCHES NOMINAL IN
OUTSIDE DIAMETER2.8750 INCHES NOMINAL IN
BORE DIAMETER1.9680 INCHES NOMINAL IN
SPECIAL FEATURESW/TWO ROUND CORNERS 0.094 IN. RADIUS IN
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
672InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
106701InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
11474InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
37651401-001InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
150 UInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
15021InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is EE56?
EE56 is a SEAT,BEARING.
What parts can replace EE56?
There are 10 known substitutes for EE56: 672, 106701, 11474 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for EE56?
EE56 is cataloged in the Federal Logistics Information System under NSN 3110-00-394-2728. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: October 2026