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3TKR37-46U — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

3TKR37-46U: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL COMP 440C INNER RING, bore_shape: STRAIGHT, bore_diameter: 2.3121 INCHES MINIMUM AND 2.3125 INCHES MAXIMUM IN, overall_width: 0.2400 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-299-9458, 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
3TKR37-46U
NSN: 3110-01-299-9458
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 40920 — MPB CORP DIV TIMKEN SUPER PRECISION (USA)
SPECIFICATIONS
materialSTEEL COMP 440C INNER RING
bore_shapeSTRAIGHT
bore_diameter2.3121 INCHES MINIMUM AND 2.3125 INCHES MAXIMUM IN
overall_width0.2400 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
load_directionRADIAL
surface_finishGROUND
special_features18 TO 20 PCT FULL OF SPECIFIED LUBRICANT
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
lubrication_materialGREASE
overall_outside_diameter2.8746 INCHES MINIMUM AND 2.8750 INCHES MAXIMUM IN
retainer_fabrication_methodMACHINED
lubrication_material_document_and_classificationKUBLER ISOFLEX LDS CAGEC 78118 MFR REF SINGLE MATERIAL RESPONSE
NSN3110-01-299-9458
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 3TKR37-46U · 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: GREASE
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 2.8746 INCHES MINIMUM AND 2.8750 INCHES MAXIMUM IN
•
BORE SHAPE: STRAIGHT
•
LOAD DIRECTION: RADIAL
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODMACHINED
LUBRICATION MATERIALGREASE
SURFACE FINISHGROUND
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
OVERALL WIDTH0.2400 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER2.8746 INCHES MINIMUM AND 2.8750 INCHES MAXIMUM IN
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
SPECIAL FEATURES18 TO 20 PCT FULL OF SPECIFIED LUBRICANT
BORE DIAMETER2.3121 INCHES MINIMUM AND 2.3125 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
628419Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3TKR37-46U?
3TKR37-46U is a BEARING,BALL,ANNULAR.
What parts can replace 3TKR37-46U?
There is 1 known substitute for 3TKR37-46U: 628419. Substitute compatibility should be verified for your specific system.
What is the NSN for 3TKR37-46U?
3TKR37-46U is cataloged in the U.S. Government catalog under NSN 3110-01-299-9458. 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.