PartsTable
Technical Data Sheet
A2029 ✓ 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

RESISTOR,VARIABLE,WIRE WOUND,PRE. Key specifications include material: STEEL COMP E51100 OR STEEL COMP E52100 OVERALL, alignment_type: RIGID, overall_height: 0.8745 INCHES MINIMUM AND 0.8755 INCHES MAXIMUM IN, surface_finish: GROUND, style_designator: GROOVED RACE SURFACE, bore_smallest_diameter: 2.2560 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 3110-00-156-1779, 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
A2029
NSN: 3110-00-156-1779
FSC: 3110
CAGE: 70801 — AUTOMOTIVE THRUST BEARING CORP (USA)
SPECIFICATIONS
materialSTEEL COMP E51100 OR STEEL COMP E52100 OVERALL
alignment_typeRIGID
overall_height0.8745 INCHES MINIMUM AND 0.8755 INCHES MAXIMUM IN
surface_finishGROUND
style_designatorGROOVED RACE SURFACE
bore_smallest_diameter2.2560 INCHES NOMINAL IN
overall_outside_diameter3.4373 INCHES MINIMUM AND 3.4375 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
NSN3110-00-156-1779
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: A2029 · 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: 2.2560 INCHES NOMINAL IN
ALIGNMENT TYPE: RIGID
OVERALL OUTSIDE DIAMETER: 3.4373 INCHES MINIMUM AND 3.4375 INCHES MAXIMUM IN
SURFACE FINISH: GROUND
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR THRUST BEARINGS
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OVERALL
STYLE DESIGNATOR: GROOVED RACE SURFACE
TECHNICAL CHARACTERISTICS (FLIS)
BORE SMALLEST DIAMETER2.2560 INCHES NOMINAL IN
ALIGNMENT TYPERIGID
OVERALL OUTSIDE DIAMETER3.4373 INCHES MINIMUM AND 3.4375 INCHES MAXIMUM IN
SURFACE FINISHGROUND
OVERALL HEIGHT0.8745 INCHES MINIMUM AND 0.8755 INCHES MAXIMUM IN
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR THRUST BEARINGS
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
STYLE DESIGNATORGROOVED RACE SURFACE
MATERIALSTEEL COMP E51100 OR STEEL COMP E52100 OVERALL
THRUST DIRECTIONAL CAPABILITY DESIGNATIONSINGLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
G3175MInterchangeable
interchangeable cross-reference
interchangeable
3320118Interchangeable
interchangeable cross-reference
interchangeable
G29Interchangeable
interchangeable cross-reference
interchangeable
4429Interchangeable
interchangeable cross-reference
interchangeable
416821-66DInterchangeable
interchangeable cross-reference
interchangeable
903203Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A2029?
A2029 is a RESISTOR,VARIABLE,WIRE WOUND,PRE.
What parts can replace A2029?
There are 19 known substitutes for A2029: G3175M, 3320118, G29 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A2029?
A2029 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-1779. This indicates validated use in U.S. government and defense supply chains.
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