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E45 — BEARING,BALL,AIRFRAME

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

E45: BEARING,BALL,AIRFRAME.

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 part is cataloged in the U.S.

Government catalog 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
NIINs: 001008577, 001430982, 001561486
FSC: 3110 — Bearings, Antifriction, Unmounted
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
•
SURFACE FINISH: GROUND
•
THRUST DIRECTIONAL CAPABILITY DESIGNATION: SINGLE
•
OVERALL OUTSIDE DIAMETER: 5.2187 INCHES NOMINAL IN
•
BORE SMALLEST DIAMETER: 3.5000 INCHES NOMINAL IN
•
ALIGNMENT TYPE: RIGID
•
LARGEST BORE DIAMETER: 3.5625 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
TECHNICAL CHARACTERISTICS
SURFACE FINISHGROUND
OVERALL WIDTH1.0000 INCHES NOMINAL IN
THRUST DIRECTIONAL CAPABILITY DESIGNATIONSINGLE
OVERALL OUTSIDE DIAMETER5.2187 INCHES NOMINAL IN
BORE SMALLEST DIAMETER3.5000 INCHES NOMINAL IN
ALIGNMENT TYPERIGID
LARGEST BORE DIAMETER3.5625 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONABEC NO.1
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 6
OPALReference document
Same NSN cross-reference
Reference document — Secondary reference
12Z317-38Reference document
Same NSN cross-reference
Reference document — Secondary reference
D42Reference document
Same NSN cross-reference
Reference document — Secondary reference
FB110Reference document
Same NSN cross-reference
Reference document — Secondary reference
A2345Reference document
Same NSN cross-reference
Reference document — Secondary reference
0PALReference document
Same NSN cross-reference
Reference document — Secondary reference
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 E45?
E45 is a BEARING,BALL,AIRFRAME.
What parts can replace E45?
There are 6 known substitutes for E45: OPAL, 12Z317-38, D42 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for E45?
E45 is cataloged in the U.S. Government catalog under NSN 3110-00-100-8577. 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.