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Technical Data Sheet
PartsTable / COMPONENT / E45
E45 ✓ 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 BEARING,BALL,AIRFRAME is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_diameter: 3.5000 INCHES NOMINAL IN, overall_width: 1.0000 INCHES NOMINAL IN, alignment_type: RIGID, overall_height: 1.0000 INCHES NOMINAL IN, surface_finish: GROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-8577, 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
E45
NSN: 3110-00-100-8577
FSC: 3110
CAGE: 00658 — ABC ACQUISITION COMPANY DBA AETNA BEARING COMPANY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_diameter3.5000 INCHES NOMINAL IN
overall_width1.0000 INCHES NOMINAL IN
alignment_typeRIGID
overall_height1.0000 INCHES NOMINAL IN
surface_finishGROUND
style_designatorFLAT RACE SURFACE, CYLINDRICAL ROLLERS
largest_bore_diameter3.5625 INCHES NOMINAL IN
bore_smallest_diameter3.5000 INCHES NOMINAL IN
overall_outside_diameter5.2187 INCHES NOMINAL IN
standard_tolerance_designationABEC NO.1
thrust_directional_capability_designationSINGLE
NSN3110-00-100-8577
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: E45 · 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 SMALLEST DIAMETER: 3.5000 INCHES NOMINAL IN
•
THRUST DIRECTIONAL CAPABILITY DESIGNATION: SINGLE
•
LARGEST BORE DIAMETER: 3.5625 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
•
SURFACE FINISH: GROUND
•
ALIGNMENT TYPE: RIGID
TECHNICAL CHARACTERISTICS (FLIS)
BORE SMALLEST DIAMETER3.5000 INCHES NOMINAL IN
THRUST DIRECTIONAL CAPABILITY DESIGNATIONSINGLE
LARGEST BORE DIAMETER3.5625 INCHES NOMINAL IN
OVERALL WIDTH1.0000 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
STANDARD TOLERANCE DESIGNATIONABEC NO.1
SURFACE FINISHGROUND
ALIGNMENT TYPERIGID
OVERALL OUTSIDE DIAMETER5.2187 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
E4-5Interchangeable
interchangeable cross-reference
interchangeable
T26Interchangeable
interchangeable cross-reference
interchangeable
LR45Interchangeable
interchangeable cross-reference
interchangeable
AN872-1Interchangeable
interchangeable cross-reference
interchangeable
A-2345Interchangeable
interchangeable cross-reference
interchangeable
S1187Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is E45?
E45 is a BEARING,BALL,AIRFRAME.
What parts can replace E45?
There are 21 known substitutes for E45: E4-5, T26, LR45 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for E45?
E45 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-8577. 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