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3TAR37-46 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

3TAR37-46: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL COMP 440A INNER RING A, bore_shape: STRAIGHT, bore_diameter: 2.3125 INCHES NOMINAL IN, overall_width: 0.2500 INCHES NOMINAL IN, load_direction: ANGULAR, surface_finish: GROUND. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-045-5326, 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
3TAR37-46
NSN: 3110-01-045-5326
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 78118 — MPB CORPORATION DBA MPB CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 440A INNER RING A
bore_shapeSTRAIGHT
bore_diameter2.3125 INCHES NOMINAL IN
overall_width0.2500 INCHES NOMINAL IN
load_directionANGULAR
surface_finishGROUND
special_featuresPLASTIC,PHENOLIC LAMINATE,CLOTH BASE RETAINER
style_designatorCOUNTERBORED OUTER RING, NON-SEPARABLE
lubrication_materialOIL
overall_outside_diameter2.8750 INCHES NOMINAL IN
retainer_fabrication_methodMACHINED
material_document_and_classificationAISI ASSN STD SINGLE MATERIAL RESPONSE INNER RING
NSN3110-01-045-5326
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 3TAR37-46 · 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
•
RETAINER FABRICATION METHOD: MACHINED
•
LUBRICATION MATERIAL: OIL
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: COUNTERBORED OUTER RING, NON-SEPARABLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD SINGLE MATERIAL RESPONSE OUTER RING
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODMACHINED
LUBRICATION MATERIALOIL
SURFACE FINISHGROUND
STYLE DESIGNATORCOUNTERBORED OUTER RING, NON-SEPARABLE
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE OUTER RING
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE BALL
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE INNER RING
OVERALL WIDTH0.2500 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER2.8750 INCHES NOMINAL IN
BORE SHAPESTRAIGHT
OTHER ITEMS IN FSC 3110 — Bearings, Antifriction, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3110-00-001-1937 3110-00-001-1938 3110-00-001-4661 3110-00-001-4662 3110-00-001-4689 3110-00-001-4722
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3TAR37-46?
3TAR37-46 is a BEARING,BALL,ANNULAR.
What is the NSN for 3TAR37-46?
3TAR37-46 is cataloged in the U.S. Government catalog under NSN 3110-01-045-5326. 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.