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Technical Data Sheet
PartsTable / COMPONENT / S203X64
S203X64 ✓ 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 COMP 440C OVERALL, bore_shape: STRAIGHT, bore_diameter: 0.6691 INCHES MINIMUM AND 0.6693 INCHES MAXIMUM IN, contact_angle: 17.5 DEGREES NOMINAL, overall_width: 0.4692 INCHES MINIMUM AND 0.4724 INCHES MAXIMUM IN, load_direction: RADIAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-284-3403, 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
S203X64
NSN: 3110-01-284-3403
FSC: 3110
CAGE: 70854 — SCHAEFFLER AEROSPACE USA CORP DIV SCHAEFFLER AEROSPACE USA CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 440C OVERALL
bore_shapeSTRAIGHT
bore_diameter0.6691 INCHES MINIMUM AND 0.6693 INCHES MAXIMUM IN
contact_angle17.5 DEGREES NOMINAL
overall_width0.4692 INCHES MINIMUM AND 0.4724 INCHES MAXIMUM IN
load_directionRADIAL
surface_finishGROUND
special_featuresUSED ON F112 ENGINE
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
lubrication_materialOIL
overall_outside_diameter1.5746 INCHES MINIMUM AND 1.5748 INCHES MAXIMUM IN
standard_tolerance_designationABEC NO.5
NSN3110-01-284-3403
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: S203X64 · 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
•
LOAD DIRECTION: RADIAL
•
BORE DIAMETER: 0.6691 INCHES MINIMUM AND 0.6693 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 440C OVERALL
•
LUBRICATION MATERIAL: OIL
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.5
•
SURFACE FINISH: GROUND
•
CONTACT ANGLE: 17.5 DEGREES NOMINAL
TECHNICAL CHARACTERISTICS (FLIS)
LOAD DIRECTIONRADIAL
BORE DIAMETER0.6691 INCHES MINIMUM AND 0.6693 INCHES MAXIMUM IN
MATERIALSTEEL COMP 440C OVERALL
LUBRICATION MATERIALOIL
STANDARD TOLERANCE DESIGNATIONABEC NO.5
SURFACE FINISHGROUND
SPECIAL FEATURESUSED ON F112 ENGINE
CONTACT ANGLE17.5 DEGREES NOMINAL
BORE SHAPESTRAIGHT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-5-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
39962Interchangeable
interchangeable cross-reference
interchangeable
20-20113Interchangeable
interchangeable cross-reference
interchangeable
9612Interchangeable
interchangeable cross-reference
interchangeable
29962Interchangeable
interchangeable cross-reference
interchangeable
12759-01310Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S203X64?
S203X64 is a BEARING,BALL,ANNULAR.
What parts can replace S203X64?
There are 5 known substitutes for S203X64: 39962, 20-20113, 9612 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S203X64?
S203X64 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-284-3403. 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