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Technical Data Sheet
PartsTable / COMPONENT / 7303W
7303W ✓ 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 bore_shape: STRAIGHT, bore_diameter: 17.00 MILLIMETERS NOMINAL MM, contact_angle: 25.0 DEGREES MAXIMUM, overall_width: 14.00 MILLIMETERS NOMINAL MM, load_direction: ANGULAR, 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 3110-00-156-6757, 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
7303W
NSN: 3110-00-156-6757
FSC: 3110
CAGE: 21335 — TIMKEN CO DIV THE TIMKEN COMPANY (USA)
SPECIFICATIONS
bore_shapeSTRAIGHT
bore_diameter17.00 MILLIMETERS NOMINAL MM
contact_angle25.0 DEGREES MAXIMUM
overall_width14.00 MILLIMETERS NOMINAL MM
load_directionANGULAR
surface_finishGROUND
style_designatorCOUNTERBORED OUTER RING, NON-SEPARABLE
overall_outside_diameter47.00 MILLIMETERS NOMINAL MM
standard_tolerance_designationABEC NO.1
NSN3110-00-156-6757
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 7303W · 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: COUNTERBORED OUTER RING, NON-SEPARABLE
•
BORE SHAPE: STRAIGHT
•
CONTACT ANGLE: 25.0 DEGREES MAXIMUM
•
BORE DIAMETER: 17.00 MILLIMETERS NOMINAL MM
•
OVERALL OUTSIDE DIAMETER: 47.00 MILLIMETERS NOMINAL MM
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
•
SURFACE FINISH: GROUND
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORCOUNTERBORED OUTER RING, NON-SEPARABLE
BORE SHAPESTRAIGHT
CONTACT ANGLE25.0 DEGREES MAXIMUM
OVERALL WIDTH14.00 MILLIMETERS NOMINAL MM
BORE DIAMETER17.00 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER47.00 MILLIMETERS NOMINAL MM
STANDARD TOLERANCE DESIGNATIONABEC NO.1
SURFACE FINISHGROUND
LOAD DIRECTIONANGULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
7303Interchangeable
interchangeable cross-reference
interchangeable
1013527P14Interchangeable
interchangeable cross-reference
interchangeable
20303Interchangeable
interchangeable cross-reference
interchangeable
72-6970-322Interchangeable
interchangeable cross-reference
interchangeable
271963Interchangeable
interchangeable cross-reference
interchangeable
804Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7303W?
7303W is a BEARING,BALL,ANNULAR.
What parts can replace 7303W?
There are 22 known substitutes for 7303W: 7303, 1013527P14, 20303 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7303W?
7303W is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-6757. 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