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Technical Data Sheet
PartsTable / COMPONENT / W203PP
W203PP ✓ 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 BALL, bore_shape: STRAIGHT, bore_diameter: 17.00 MILLIMETERS NOMINAL MM, overall_width: 0.6875 INCHES NOMINAL IN, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-198-2079, 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
W203PP
NSN: 3110-00-198-2079
FSC: 3110
CAGE: 64731 — WESTERN SKY INDUSTRIES INC DBA ELECTROMECH TECHOLOGIES (USA)
SPECIFICATIONS
materialSTEEL BALL
bore_shapeSTRAIGHT
bore_diameter17.00 MILLIMETERS NOMINAL MM
overall_width0.6875 INCHES NOMINAL IN
seal_quantity2
load_directionRADIAL
surface_finishGROUND
special_featuresW/O GREASE PLUG
style_designatorNON-LOADING GROOVE, NON-SEPARABLE CARTRIDGE TYPE
bearing_seal_typeCONTACT
lubrication_materialGREASE
overall_outside_diameter40.00 MILLIMETERS NOMINAL MM
NSN3110-00-198-2079
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: W203PP · 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
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE
•
LOAD DIRECTION: RADIAL
•
MATERIAL: STEEL OUTER RING
•
BEARING SEAL TYPE: CONTACT
•
RETAINER FABRICATION METHOD: PRESSED
•
SEAL QUANTITY: 2
TECHNICAL CHARACTERISTICS (FLIS)
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE
LOAD DIRECTIONRADIAL
MATERIALSTEEL OUTER RING
BEARING SEAL TYPECONTACT
LOAD DIRECTIONRADIAL
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE
RETAINER FABRICATION METHODPRESSED
SEAL QUANTITY2
SEAL QUANTITY2
SURFACE FINISHGROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
10-81886Interchangeable
interchangeable cross-reference
interchangeable
Z99803X1830BC3Interchangeable
interchangeable cross-reference
interchangeable
151248Interchangeable
interchangeable cross-reference
interchangeable
203SZZCInterchangeable
interchangeable cross-reference
interchangeable
203SRRC01STA003A48CInterchangeable
interchangeable cross-reference
interchangeable
6817Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is W203PP?
W203PP is a BEARING,BALL,ANNULAR.
What parts can replace W203PP?
There are 19 known substitutes for W203PP: 10-81886, Z99803X1830BC3, 151248 and 16 more. Substitute compatibility should be verified for your specific system.
Is W203PP still available?
W203PP 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