PartsTable
Technical Data Sheet
123-1346 ✓ 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 length: 0.767 INCHES MINIMUM AND 0.773 INCHES MAXIMUM IN, material: STEEL COMP 303 OR STEEL COMP 303SE OVERALL, groove_width: 0.460 INCHES NOMINAL IN, thread_length: 0.156 INCHES MINIMUM RIGHT EXTERNAL IN, groove_diameter: 0.180 INCHES NOMINAL IN, style_designator: GROOVED W/ LEFT INTERNAL AND RIGHT EXTERNAL THREAD. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-554-2976, 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
123-1346
NSN: 3110-00-554-2976
FSC: 3110
CAGE: 79500 — WESTINGHOUSE ELECTRIC CORP (USA)
SPECIFICATIONS
length0.767 INCHES MINIMUM AND 0.773 INCHES MAXIMUM IN
materialSTEEL COMP 303 OR STEEL COMP 303SE OVERALL
groove_width0.460 INCHES NOMINAL IN
thread_length0.156 INCHES MINIMUM RIGHT EXTERNAL IN
groove_diameter0.180 INCHES NOMINAL IN
style_designatorGROOVED W/ LEFT INTERNAL AND RIGHT EXTERNAL THREAD
surface_treatmentPASSIVATE OVERALL
width_across_flats0.250 INCHES NOMINAL IN
smaller_groove_width0.124 INCHES NOMINAL IN
cross-sectional_shapeHEXAGON
smaller_groove_diameter0.164 INCHES NOMINAL IN
distance_from_end_to_groove0.175 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN
NSN3110-00-554-2976
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 123-1346 · 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
MATERIAL: STEEL OVERALL
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
INTERNAL FIT-UP DESIGNATION: STANDARD
BORE SHAPE: STRAIGHT
LOAD DIRECTION: RADIAL
SURFACE FINISH: GROUND
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESTY 111 CL 4 GR 00
MATERIALSTEEL OVERALL
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
INTERNAL FIT-UP DESIGNATIONSTANDARD
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
SURFACE FINISHGROUND
STANDARD TOLERANCE DESIGNATIONABEC NO.1
RETAINER FABRICATION METHODPRESSED
OVERALL WIDTH10.0 MILLIMETERS NOMINAL MM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
4-232Interchangeable
interchangeable cross-reference
interchangeable
4-320-1Interchangeable
interchangeable cross-reference
interchangeable
956857Interchangeable
interchangeable cross-reference
interchangeable
W368Interchangeable
interchangeable cross-reference
interchangeable
3201XR1AInterchangeable
interchangeable cross-reference
interchangeable
10154419Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 123-1346?
123-1346 is a BEARING,BALL,ANNULAR.
What parts can replace 123-1346?
There are 24 known substitutes for 123-1346: 4-232, 4-320-1, 956857 and 21 more. Substitute compatibility should be verified for your specific system.
Is 123-1346 still available?
123-1346 is currently cancelled.
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