PartsTable
Technical Data Sheet
3L121A ✓ 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: 60.00 MILLIMETERS NOMINAL MM, overall_width: 18.0 MILLIMETERS NOMINAL MM, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-554-3244, 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
3L121A
NSN: 3110-00-554-3244
FSC: 3110
CAGE: 43334 — GENERAL MOTORS CORP DELCO MORAINE NDH DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter60.00 MILLIMETERS NOMINAL MM
overall_width18.0 MILLIMETERS NOMINAL MM
load_directionRADIAL
surface_finishGROUND
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
overall_outside_diameter95.00 MILLIMETERS NOMINAL MM
internal_fit-up_designationSTANDARD
retainer_fabrication_methodPRESSED
standard_tolerance_designationABEC NO.1
NSN3110-00-554-3244
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 3L121A · 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: 95.00 MILLIMETERS NOMINAL MM
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
MATERIAL: STEEL OVERALL
RETAINER FABRICATION METHOD: PRESSED
INTERNAL FIT-UP DESIGNATION: STANDARD
SURFACE FINISH: GROUND
BORE DIAMETER: 60.00 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL OUTSIDE DIAMETER95.00 MILLIMETERS NOMINAL MM
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
MATERIALSTEEL OVERALL
RETAINER FABRICATION METHODPRESSED
INTERNAL FIT-UP DESIGNATIONSTANDARD
SURFACE FINISHGROUND
BORE DIAMETER60.00 MILLIMETERS NOMINAL MM
OVERALL WIDTH18.0 MILLIMETERS NOMINAL MM
STANDARD TOLERANCE DESIGNATIONABEC NO.1
BORE SHAPESTRAIGHT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 34
1330-G872Interchangeable
interchangeable cross-reference
interchangeable
82-1-31Interchangeable
interchangeable cross-reference
interchangeable
11412Interchangeable
interchangeable cross-reference
interchangeable
FF-B-171/03J12D2EInterchangeable
interchangeable cross-reference
interchangeable
93L12Interchangeable
interchangeable cross-reference
interchangeable
A-A-1402Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3L121A?
3L121A is a BEARING,BALL,ANNULAR.
What parts can replace 3L121A?
There are 34 known substitutes for 3L121A: 1330-G872, 82-1-31, 11412 and 31 more. Substitute compatibility should be verified for your specific system.
Is 3L121A still available?
3L121A is currently cancelled.
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