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PartsTable / COMPONENT / 43203LR1241A
43203LR1241A ✓ 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: 17.0 MILLIMETERS NOMINAL MM, overall_width: 12.0 MILLIMETERS NOMINAL MM, 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 3110-01-037-8772, 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
43203LR1241A
NSN: 3110-01-037-8772
FSC: 3110
CAGE: 43334 — GENERAL MOTORS CORP DELCO MORAINE NDH DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter17.0 MILLIMETERS NOMINAL MM
overall_width12.0 MILLIMETERS NOMINAL MM
load_directionRADIAL
surface_finishGROUND
special_featuresFURNISHED W/O SNAP RING
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
features_providedMOUNTING GROOVE
internal_clearance0.0004 INCHES MINIMUM RADIAL AND 0.0010 INCHES MAXIMUM RADIAL IN
lubrication_materialLUBRICANT
overall_outside_diameter40.0 MILLIMETERS NOMINAL MM
NSN3110-01-037-8772
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 43203LR1241A · 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
•
OVERALL OUTSIDE DIAMETER: 40.0 MILLIMETERS NOMINAL MM
•
INTERNAL CLEARANCE: 0.0004 INCHES MINIMUM RADIAL AND 0.0010 INCHES MAXIMUM RADIAL IN
•
BORE SHAPE: STRAIGHT
•
SURFACE FINISH: GROUND
•
FEATURES PROVIDED: MOUNTING GROOVE
•
LOAD DIRECTION: RADIAL
•
RETAINER FABRICATION METHOD: PRESSED
•
LUBRICATION MATERIAL: LUBRICANT
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL OUTSIDE DIAMETER40.0 MILLIMETERS NOMINAL MM
INTERNAL CLEARANCE0.0004 INCHES MINIMUM RADIAL AND 0.0010 INCHES MAXIMUM RADIAL IN
BORE SHAPESTRAIGHT
SURFACE FINISHGROUND
FEATURES PROVIDEDMOUNTING GROOVE
LOAD DIRECTIONRADIAL
RETAINER FABRICATION METHODPRESSED
LUBRICATION MATERIALLUBRICANT
SPECIAL FEATURESFURNISHED W/O SNAP RING
STANDARD TOLERANCE DESIGNATIONABEC NO.1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
32526M1Interchangeable
interchangeable cross-reference
interchangeable
00044Interchangeable
interchangeable cross-reference
interchangeable
21840Interchangeable
interchangeable cross-reference
interchangeable
3208XIAInterchangeable
interchangeable cross-reference
interchangeable
903208Interchangeable
interchangeable cross-reference
interchangeable
30D86Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 43203LR1241A?
43203LR1241A is a BEARING,BALL,ANNULAR.
What parts can replace 43203LR1241A?
There are 22 known substitutes for 43203LR1241A: 32526M1, 00044, 21840 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 43203LR1241A?
43203LR1241A is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-037-8772. 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