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P203PFS57820 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

P203PFS57820: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC SEAL, bore_shape: STRAIGHT, bore_diameter: 17.00 MILLIMETERS NOMINAL MM, overall_width: 12.0 MILLIMETERS NOMINAL MM, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-402-4643, 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
P203PFS57820
NSN: 3110-00-402-4643
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 21335 — TIMKEN CO DIV THE TIMKEN COMPANY (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEAL
bore_shapeSTRAIGHT
bore_diameter17.00 MILLIMETERS NOMINAL MM
overall_width12.0 MILLIMETERS NOMINAL MM
seal_quantity1
load_directionRADIAL
surface_finishGROUND
special_featuresELECTRIC MOTOR QUALITY BEARING
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
bearing_seal_typeCONTACT
overall_outside_diameter40.00 MILLIMETERS NOMINAL MM
internal_fit-up_designationLOOSE
NSN3110-00-402-4643
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: P203PFS57820 · 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
•
RETAINER FABRICATION METHOD: PRESSED
•
BEARING SEAL TYPE: CONTACT
•
INTERNAL FIT-UP DESIGNATION: LOOSE
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 40.00 MILLIMETERS NOMINAL MM
•
BORE SHAPE: STRAIGHT
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODPRESSED
BEARING SEAL TYPECONTACT
INTERNAL FIT-UP DESIGNATIONLOOSE
SURFACE FINISHGROUND
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
OVERALL WIDTH12.0 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER40.00 MILLIMETERS NOMINAL MM
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
SPECIAL FEATURESELECTRIC MOTOR QUALITY BEARING
SUBSTITUTES & CROSS-REFERENCES 1
116264Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is P203PFS57820?
P203PFS57820 is a BEARING,BALL,ANNULAR.
What parts can replace P203PFS57820?
There is 1 known substitute for P203PFS57820: 116264. Substitute compatibility should be verified for your specific system.
What is the NSN for P203PFS57820?
P203PFS57820 is cataloged in the U.S. Government catalog under NSN 3110-00-402-4643. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.