PartsTable
Technical Data Sheet
PartsTable / COMPONENT / SER4K25
SER4K25 ✓ 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 CORROSION RESISTING OVERALL, bore_shape: STRAIGHT, flange_width: 0.0420 INCHES NOMINAL IN, bore_diameter: 0.2500 INCHES NOMINAL IN, overall_width: 0.1960 INCHES NOMINAL IN, load_direction: RADIAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-723-1958, 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
SER4K25
NSN: 3110-00-723-1958
FSC: 3110
CAGE: 83086 — NEW HAMPSHIRE BALL BEARINGS INC DIV HITECH DIVISION (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
bore_shapeSTRAIGHT
flange_width0.0420 INCHES NOMINAL IN
bore_diameter0.2500 INCHES NOMINAL IN
overall_width0.1960 INCHES NOMINAL IN
load_directionRADIAL
surface_finishGROUND
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
flange_outside_diameter0.6900 INCHES NOMINAL IN
internal_fit-up_designationSTANDARD
outer_ring_outside_diameter0.6250 INCHES NOMINAL IN
retainer_fabrication_methodPRESSED
NSN3110-00-723-1958
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: SER4K25 · 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
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
BORE SHAPE: STRAIGHT
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.7
•
OUTER RING OUTSIDE DIAMETER: 0.6250 INCHES NOMINAL IN
•
RETAINER FABRICATION METHOD: PRESSED
•
LOAD DIRECTION: RADIAL
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
MATERIALSTEEL CORROSION RESISTING OVERALL
OVERALL WIDTH0.1960 INCHES NOMINAL IN
BORE SHAPESTRAIGHT
STANDARD TOLERANCE DESIGNATIONABEC NO.7
OUTER RING OUTSIDE DIAMETER0.6250 INCHES NOMINAL IN
RETAINER FABRICATION METHODPRESSED
LOAD DIRECTIONRADIAL
FLANGE WIDTH0.0420 INCHES NOMINAL IN
SURFACE FINISHGROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 36
514358Interchangeable
interchangeable cross-reference
interchangeable
EW7028Interchangeable
interchangeable cross-reference
interchangeable
SF1-108Interchangeable
interchangeable cross-reference
interchangeable
10387437Interchangeable
interchangeable cross-reference
interchangeable
11072208Interchangeable
interchangeable cross-reference
interchangeable
229Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SER4K25?
SER4K25 is a BEARING,BALL,ANNULAR.
What parts can replace SER4K25?
There are 36 known substitutes for SER4K25: 514358, EW7028, SF1-108 and 33 more. Substitute compatibility should be verified for your specific system.
Is SER4K25 still available?
SER4K25 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026