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Technical Data Sheet
PartsTable / COMPONENT / E53
E53 ✓ Verified by PartsTable
— · 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 SEMICONDUCTOR DEVICE,DIODE is a the manufacturer industrial component. Key specifications include material: STEEL WASHER, bore_diameter: 4.0000 INCHES NOMINAL IN, alignment_type: RIGID, overall_height: 1.7500 INCHES NOMINAL IN, surface_finish: GROUND, special_features: HEATER CONTACTOR K1. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-1487, 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
E53
NSN: 3110-00-156-1487
FSC: 3110
CAGE: 05527 — GWILLIAM COMPANY, INC. DIV BALL & ROLLER BEARING DIVISION (USA)
SPECIFICATIONS
materialSTEEL WASHER
bore_diameter4.0000 INCHES NOMINAL IN
alignment_typeRIGID
overall_height1.7500 INCHES NOMINAL IN
surface_finishGROUND
special_featuresHEATER CONTACTOR K1
style_designatorFLAT RACE SURFACE, CYLINDRICAL ROLLERS
end_item_identificationRSRP EQUIPMENT
overall_outside_diameter7.0000 INCHES NOMINAL IN
standard_tolerance_designationABEC NO.1
thrust_directional_capability_designationSINGLE
NSN3110-00-156-1487
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: E53 · 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
•
BORE DIAMETER: 4.0000 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
•
OVERALL OUTSIDE DIAMETER: 7.0000 INCHES NOMINAL IN
•
ALIGNMENT TYPE: RIGID
•
SURFACE FINISH: GROUND
•
THRUST DIRECTIONAL CAPABILITY DESIGNATION: SINGLE
•
MATERIAL: STEEL WASHER
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER4.0000 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONABEC NO.1
OVERALL OUTSIDE DIAMETER7.0000 INCHES NOMINAL IN
ALIGNMENT TYPERIGID
SURFACE FINISHGROUND
THRUST DIRECTIONAL CAPABILITY DESIGNATIONSINGLE
MATERIALSTEEL WASHER
MATERIALSTEEL OR STEEL CORROSION RESISTING RETAINER
STYLE DESIGNATORFLAT RACE SURFACE, CYLINDRICAL ROLLERS
MATERIALSTEEL ROLLER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
1576-1Interchangeable
interchangeable cross-reference
interchangeable
67613Interchangeable
interchangeable cross-reference
interchangeable
AN5538-1Interchangeable
interchangeable cross-reference
interchangeable
8022080Interchangeable
interchangeable cross-reference
interchangeable
5120-00-243-7338Interchangeable
interchangeable cross-reference
interchangeable
GGG-B-001222Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is E53?
E53 is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace E53?
There are 24 known substitutes for E53: 1576-1, 67613, AN5538-1 and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for E53?
E53 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-1487. 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: July 2026