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PartsTable / COMPONENT / MER-203KMA3PC20LO1
MER-203KMA3PC20LO1 ✓ 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 OVERALL, bore_shape: STRAIGHT, bore_diameter: 17.00 MILLIMETERS NOMINAL MM, contact_angle: 25.0 DEGREES MAXIMUM, overall_width: 12.0 MILLIMETERS NOMINAL MM, load_direction: ANGULAR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-6753, 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
MER-203KMA3PC20LO1
NSN: 3110-00-156-6753
FSC: 3110
CAGE: 83086 — NEW HAMPSHIRE BALL BEARINGS INC DIV HITECH DIVISION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter17.00 MILLIMETERS NOMINAL MM
contact_angle25.0 DEGREES MAXIMUM
overall_width12.0 MILLIMETERS NOMINAL MM
load_directionANGULAR
surface_finishGROUND
special_featuresRETAINER IS NON-METTALLIC
style_designatorCOUNTERBORED OUTER RING, NON-SEPARABLE
overall_outside_diameter40.00 MILLIMETERS NOMINAL MM
retainer_fabrication_methodPRESSED
standard_tolerance_designationABEC NO.3
NSN3110-00-156-6753
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: MER-203KMA3PC20LO1 · 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
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.3
•
LOAD DIRECTION: ANGULAR
•
RETAINER FABRICATION METHOD: PRESSED
•
STYLE DESIGNATOR: COUNTERBORED OUTER RING, NON-SEPARABLE
•
MATERIAL: STEEL OVERALL
•
BORE SHAPE: STRAIGHT
TECHNICAL CHARACTERISTICS (FLIS)
STANDARD TOLERANCE DESIGNATIONABEC NO.3
LOAD DIRECTIONANGULAR
RETAINER FABRICATION METHODPRESSED
STYLE DESIGNATORCOUNTERBORED OUTER RING, NON-SEPARABLE
MATERIALSTEEL OVERALL
OVERALL WIDTH12.0 MILLIMETERS NOMINAL MM
STYLE DESIGNATORCOUNTERBORED OUTER RING, NON-SEPARABLE
BORE SHAPESTRAIGHT
LOAD DIRECTIONANGULAR
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
5940001434777Interchangeable
interchangeable cross-reference
interchangeable
5110NInterchangeable
interchangeable cross-reference
interchangeable
MS25036-157Interchangeable
interchangeable cross-reference
interchangeable
91414Interchangeable
interchangeable cross-reference
interchangeable
A224-20-400Interchangeable
interchangeable cross-reference
interchangeable
110548Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MER-203KMA3PC20LO1?
MER-203KMA3PC20LO1 is a BEARING,BALL,ANNULAR.
What parts can replace MER-203KMA3PC20LO1?
There are 22 known substitutes for MER-203KMA3PC20LO1: 5940001434777, 5110N, MS25036-157 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MER-203KMA3PC20LO1?
MER-203KMA3PC20LO1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-6753. 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