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PartsTable / COMPONENT / MTGR203SD603M2A7
MTGR203SD603M2A7 ✓ 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

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL COMP M50 OVERALL, bore_shape: STRAIGHT, bore_diameter: 0.6691 INCHES MINIMUM AND 0.6693 INCHES MAXIMUM IN, overall_width: 0.4664 INCHES MINIMUM AND 0.4724 INCHES MAXIMUM IN, load_direction: RADIAL, surface_finish: GROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-377-0303, 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
MTGR203SD603M2A7
NSN: 3110-01-377-0303
FSC: 3110
CAGE: 83086 — NEW HAMPSHIRE BALL BEARINGS INC DIV HITECH DIVISION (USA)
SPECIFICATIONS
materialSTEEL COMP M50 OVERALL
bore_shapeSTRAIGHT
bore_diameter0.6691 INCHES MINIMUM AND 0.6693 INCHES MAXIMUM IN
overall_width0.4664 INCHES MINIMUM AND 0.4724 INCHES MAXIMUM IN
load_directionRADIAL
surface_finishGROUND
special_featuresSPLIT INNER RING RETAINER. ABEC 7
overall_outside_diameter1.5746 INCHES MINIMUM AND 1.5748 INCHES MAXIMUM IN
material_document_and_classificationAMS 6491 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN3110-01-377-0303
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: MTGR203SD603M2A7 · 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
•
SURFACE FINISH: GROUND
•
BORE DIAMETER: 0.6691 INCHES MINIMUM AND 0.6693 INCHES MAXIMUM IN
•
OVERALL OUTSIDE DIAMETER: 1.5746 INCHES MINIMUM AND 1.5748 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP M50 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6491 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
LOAD DIRECTION: RADIAL
•
BORE SHAPE: STRAIGHT
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH0.4664 INCHES MINIMUM AND 0.4724 INCHES MAXIMUM IN
SURFACE FINISHGROUND
BORE DIAMETER0.6691 INCHES MINIMUM AND 0.6693 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER1.5746 INCHES MINIMUM AND 1.5748 INCHES MAXIMUM IN
MATERIALSTEEL COMP M50 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6491 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
LOAD DIRECTIONRADIAL
BORE SHAPESTRAIGHT
SPECIAL FEATURESSPLIT INNER RING RETAINER. ABEC 7
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
2343B052Interchangeable
interchangeable cross-reference
interchangeable
19-38Interchangeable
interchangeable cross-reference
interchangeable
846100402Interchangeable
interchangeable cross-reference
interchangeable
203350Interchangeable
interchangeable cross-reference
interchangeable
169660Interchangeable
interchangeable cross-reference
interchangeable
20335000Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MTGR203SD603M2A7?
MTGR203SD603M2A7 is a BEARING,BALL,ANNULAR.
What parts can replace MTGR203SD603M2A7?
There are 9 known substitutes for MTGR203SD603M2A7: 2343B052, 19-38, 846100402 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MTGR203SD603M2A7?
MTGR203SD603M2A7 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-377-0303. 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