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PartsTable / COMPONENT / A52491-93
A52491-93 ✓ 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 INDICATOR,ELECTRICAL POTENTIAL is a the manufacturer industrial component. Key specifications include material: STEEL COMP E51100 OR STEEL COMP E52100 OVERALL, alignment_type: RIGID, overall_height: 0.8120 INCHES MINIMUM AND 0.8310 INCHES MAXIMUM IN, surface_finish: GROUND, style_designator: GROOVED RACE SURFACE, bore_smallest_diameter: 2.5060 INCHES MINIMUM AND 2.5080 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-1798, 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
A52491-93
NSN: 3110-00-156-1798
FSC: 3110
CAGE: 58536 — FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialSTEEL COMP E51100 OR STEEL COMP E52100 OVERALL
alignment_typeRIGID
overall_height0.8120 INCHES MINIMUM AND 0.8310 INCHES MAXIMUM IN
surface_finishGROUND
style_designatorGROOVED RACE SURFACE
bore_smallest_diameter2.5060 INCHES MINIMUM AND 2.5080 INCHES MAXIMUM IN
overall_outside_diameter3.9686 INCHES MINIMUM AND 3.9688 INCHES MAXIMUM IN
standard_tolerance_designationAFBMA STD TOLERANCE FOR THRUST BEARINGS
material_document_and_classification66 FED STD ALL MATERIAL RESPONSES OVERALL
thrust_directional_capability_designationSINGLE
NSN3110-00-156-1798
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: A52491-93 · 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: 2.5060 INCHES MINIMUM AND 2.5080 INCHES MAXIMUM IN
•
ALIGNMENT TYPE: RIGID
•
THRUST DIRECTIONAL CAPABILITY DESIGNATION: SINGLE
•
OVERALL OUTSIDE DIAMETER: 3.9686 INCHES MINIMUM AND 3.9688 INCHES MAXIMUM IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR THRUST BEARINGS
•
MATERIAL: STEEL COMP E51100 OR STEEL COMP E52100 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
BORE SMALLEST DIAMETER2.5060 INCHES MINIMUM AND 2.5080 INCHES MAXIMUM IN
ALIGNMENT TYPERIGID
THRUST DIRECTIONAL CAPABILITY DESIGNATIONSINGLE
OVERALL OUTSIDE DIAMETER3.9686 INCHES MINIMUM AND 3.9688 INCHES MAXIMUM IN
OVERALL HEIGHT0.8120 INCHES MINIMUM AND 0.8310 INCHES MAXIMUM IN
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR THRUST BEARINGS
MATERIALSTEEL COMP E51100 OR STEEL COMP E52100 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
SURFACE FINISHGROUND
STYLE DESIGNATORGROOVED RACE SURFACE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
118607Interchangeable
interchangeable cross-reference
interchangeable
35FFUSEInterchangeable
interchangeable cross-reference
interchangeable
203-1011P63Interchangeable
interchangeable cross-reference
interchangeable
441-6726484-K12 -23Interchangeable
interchangeable cross-reference
interchangeable
79NM02Interchangeable
interchangeable cross-reference
interchangeable
F33Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A52491-93?
A52491-93 is a INDICATOR,ELECTRICAL POTENTIAL.
What parts can replace A52491-93?
There are 15 known substitutes for A52491-93: 118607, 35FFUSE, 203-1011P63 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A52491-93?
A52491-93 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-1798. 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