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PartsTable / COMPONENT / A52491-17
A52491-17 ✓ 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

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include material: STEEL COMP E51100 OR STEEL COMP E52100 OVERALL, alignment_type: RIGID, overall_height: 0.5625 INCHES NOMINAL IN, surface_finish: GROUND, style_designator: GROOVED RACE SURFACE, bore_smallest_diameter: 0.8125 INCHES NOMINAL 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 3110-00-156-1712, 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
A52491-17
NSN: 3110-00-156-1712
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_height0.5625 INCHES NOMINAL IN
surface_finishGROUND
style_designatorGROOVED RACE SURFACE
bore_smallest_diameter0.8125 INCHES NOMINAL IN
overall_outside_diameter1.4687 INCHES NOMINAL IN
standard_tolerance_designationAFBMA STD TOLERANCE FOR THRUST BEARINGS
material_document_and_classification66 FED STD ALL MATERIAL RESPONSES OVERALL
thrust_directional_capability_designationSINGLE
NSN3110-00-156-1712
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: A52491-17 · 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
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR THRUST BEARINGS
•
THRUST DIRECTIONAL CAPABILITY DESIGNATION: SINGLE
•
ALIGNMENT TYPE: RIGID
•
SURFACE FINISH: GROUND
•
OVERALL OUTSIDE DIAMETER: 1.4687 INCHES NOMINAL IN
•
BORE SMALLEST DIAMETER: 0.8125 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP E51100 OR STEEL COMP E52100 OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR THRUST BEARINGS
THRUST DIRECTIONAL CAPABILITY DESIGNATIONSINGLE
ALIGNMENT TYPERIGID
SURFACE FINISHGROUND
OVERALL OUTSIDE DIAMETER1.4687 INCHES NOMINAL IN
BORE SMALLEST DIAMETER0.8125 INCHES NOMINAL IN
OVERALL HEIGHT0.5625 INCHES NOMINAL IN
MATERIALSTEEL COMP E51100 OR STEEL COMP E52100 OVERALL
STYLE DESIGNATORGROOVED RACE SURFACE
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
7524Interchangeable
interchangeable cross-reference
interchangeable
575R159H01Interchangeable
interchangeable cross-reference
interchangeable
A2206Interchangeable
interchangeable cross-reference
interchangeable
621006C1Interchangeable
interchangeable cross-reference
interchangeable
7523Interchangeable
interchangeable cross-reference
interchangeable
531682-163NDInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A52491-17?
A52491-17 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace A52491-17?
There are 22 known substitutes for A52491-17: 7524, 575R159H01, A2206 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A52491-17?
A52491-17 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-1712. 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