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Technical Data Sheet
PartsTable / COMPONENT / A52491-35
A52491-35 ✓ 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

INTERMEDIATE DISTRIBUTING FRAME,. Key specifications include material: STEEL COMP E51100 OR STEEL COMP E52100 OVERALL, alignment_type: RIGID, overall_height: 0.6250 INCHES NOMINAL IN, surface_finish: GROUND, style_designator: GROOVED RACE SURFACE, bore_smallest_diameter: 1.2500 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-1723, 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
A52491-35
NSN: 3110-00-156-1723
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_height0.6250 INCHES NOMINAL IN
surface_finishGROUND
style_designatorGROOVED RACE SURFACE
bore_smallest_diameter1.2500 INCHES NOMINAL IN
overall_outside_diameter2.3438 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
NSN3110-00-156-1723
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: A52491-35 · 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: 1.2500 INCHES NOMINAL IN
•
ALIGNMENT TYPE: RIGID
•
OVERALL OUTSIDE DIAMETER: 2.3438 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR THRUST BEARINGS
•
THRUST DIRECTIONAL CAPABILITY DESIGNATION: SINGLE
•
SURFACE FINISH: GROUND
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OVERALL
•
STYLE DESIGNATOR: GROOVED RACE SURFACE
TECHNICAL CHARACTERISTICS (FLIS)
BORE SMALLEST DIAMETER1.2500 INCHES NOMINAL IN
ALIGNMENT TYPERIGID
OVERALL OUTSIDE DIAMETER2.3438 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR THRUST BEARINGS
THRUST DIRECTIONAL CAPABILITY DESIGNATIONSINGLE
SURFACE FINISHGROUND
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
STYLE DESIGNATORGROOVED RACE SURFACE
OVERALL HEIGHT0.6250 INCHES NOMINAL IN
MATERIALSTEEL COMP E51100 OR STEEL COMP E52100 OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
476-853531056Interchangeable
interchangeable cross-reference
interchangeable
853531056Interchangeable
interchangeable cross-reference
interchangeable
F13Interchangeable
interchangeable cross-reference
interchangeable
0F1-3Interchangeable
interchangeable cross-reference
interchangeable
65902-01924-101Interchangeable
interchangeable cross-reference
interchangeable
M317ZCE1TX9Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A52491-35?
A52491-35 is a INTERMEDIATE DISTRIBUTING FRAME,.
What parts can replace A52491-35?
There are 28 known substitutes for A52491-35: 476-853531056, 853531056, F13 and 25 more. Substitute compatibility should be verified for your specific system.
Is A52491-35 still available?
A52491-35 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026