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Technical Data Sheet
PartsTable / COMPONENT / 303F
303F ✓ 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 SEMICONDUCTOR DEVICE,DIODE is a the manufacturer industrial component. Key specifications include material: SILICON SEMICONDUCTOR, bore_shape: STRAIGHT, bore_diameter: 17.00 MILLIMETERS NOMINAL MM, overall_width: 14.0 MILLIMETERS NOMINAL MM, load_direction: RADIAL, overall_height: 0.450 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-554-3355, 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
303F
NSN: 3110-00-554-3355
FSC: 3110
CAGE: 39317 — MCGILL MANUFACTURING COMPANY INC USE CAGE CODE 92563 FOR CATALOGING. (USA)
SPECIFICATIONS
materialSILICON SEMICONDUCTOR
bore_shapeSTRAIGHT
bore_diameter17.00 MILLIMETERS NOMINAL MM
overall_width14.0 MILLIMETERS NOMINAL MM
load_directionRADIAL
overall_height0.450 INCHES NOMINAL IN
surface_finishGROUND
shield_quantity1
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
features_providedHERMETICALLY SEALED CASE
overall_outside_diameter47.00 MILLIMETERS NOMINAL MM
overall_width_across_flats0.687 INCHES NOMINAL IN
NSN3110-00-554-3355
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 303F · 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
•
BORE SHAPE: STRAIGHT
•
RETAINER FABRICATION METHOD: PRESSED
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
•
SHIELD QUANTITY: 1
•
SURFACE FINISH: GROUND
TECHNICAL CHARACTERISTICS (FLIS)
BORE SHAPESTRAIGHT
RETAINER FABRICATION METHODPRESSED
OVERALL WIDTH14.0 MILLIMETERS NOMINAL MM
MATERIALSTEEL OVERALL
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
STANDARD TOLERANCE DESIGNATIONABEC NO.1
SHIELD QUANTITY1
SURFACE FINISHGROUND
BORE DIAMETER17.00 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER47.00 MILLIMETERS NOMINAL MM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 34
923117Interchangeable
interchangeable cross-reference
interchangeable
P204HDInterchangeable
interchangeable cross-reference
interchangeable
320680Interchangeable
interchangeable cross-reference
interchangeable
923070Interchangeable
interchangeable cross-reference
interchangeable
1113000Interchangeable
Vise,machinist's
interchangeable
55734Interchangeable
Vise,machinist's
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 303F?
303F is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace 303F?
There are 34 known substitutes for 303F: 923117, P204HD, 320680 and 31 more. Substitute compatibility should be verified for your specific system.
Is 303F still available?
303F 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