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Technical Data Sheet
PartsTable / COMPONENT / SSR201KFA5P59LY378KB
SSR201KFA5P59LY378KB ✓ 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,ROLLER,CYLINDRICAL is a the manufacturer industrial component. Key specifications include material: PLASTIC PHENOLIC CAGE, bore_diameter: 0.4724 INCHES NOMINAL IN, overall_width: 0.3937 INCHES NOMINAL IN, special_features: CORROSION PREVENTATIVE COMPOUND TO BE COMPATIBLE WITH MIL-L-7808 AND MIL-C-8188, style_designator: 4 POINT BALL CONTACT, SOLID INNER AND OUTER RINGS, NON-SEPARABLE, storage_temp_range: -60.0 TO 280.0 FAHRENHEIT DEGF. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-295-1939, 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
SSR201KFA5P59LY378KB
NSN: 3110-01-295-1939
FSC: 3110
CAGE: 83086 — NEW HAMPSHIRE BALL BEARINGS INC DIV HITECH DIVISION (USA)
SPECIFICATIONS
materialPLASTIC PHENOLIC CAGE
bore_diameter0.4724 INCHES NOMINAL IN
overall_width0.3937 INCHES NOMINAL IN
special_featuresCORROSION PREVENTATIVE COMPOUND TO BE COMPATIBLE WITH MIL-L-7808 AND MIL-C-8188
style_designator4 POINT BALL CONTACT, SOLID INNER AND OUTER RINGS, NON-SEPARABLE
storage_temp_range-60.0 TO 280.0 FAHRENHEIT DEGF
functional_descriptionLOAD LIMIT: 850LBS, MAX OPERATING LOAD: 175LBS, OPERATING SPEED: 5RPM LBS
end_item_identificationENGINE MODEL F-404
overall_outside_diameter1.259 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencyBEARING,BALL
NSN3110-01-295-1939
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: SSR201KFA5P59LY378KB · 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
•
MATERIAL: STEEL COMP 440C BALL
•
STYLE DESIGNATOR: 4 POINT BALL CONTACT, SOLID INNER AND OUTER RINGS, NON-SEPARABLE
•
STORAGE TEMP RANGE: -60.0 TO 280.0 FAHRENHEIT DEGF
•
BORE DIAMETER: 0.4724 INCHES NOMINAL IN
•
FUNCTIONAL DESCRIPTION: LOAD LIMIT: 850LBS, MAX OPERATING LOAD: 175LBS, OPERATING SPEED: 5RPM LBS
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP 440C BALL
STYLE DESIGNATOR4 POINT BALL CONTACT, SOLID INNER AND OUTER RINGS, NON-SEPARABLE
OVERALL WIDTH0.3937 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYBEARING,BALL
STORAGE TEMP RANGE-60.0 TO 280.0 FAHRENHEIT DEGF
END ITEM IDENTIFICATIONENGINE MODEL F-404
BORE DIAMETER0.4724 INCHES NOMINAL IN
FUNCTIONAL DESCRIPTIONLOAD LIMIT: 850LBS, MAX OPERATING LOAD: 175LBS, OPERATING SPEED: 5RPM LBS
SPECIAL FEATURESCORROSION PREVENTATIVE COMPOUND TO BE COMPATIBLE WITH MIL-L-7808 AND MIL-C-8188
OVERALL OUTSIDE DIAMETER1.259 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
02625Interchangeable
interchangeable cross-reference
interchangeable
201SInterchangeable
interchangeable cross-reference
interchangeable
201KSInterchangeable
interchangeable cross-reference
interchangeable
PL MODEL 201-S ITEM 3Interchangeable
interchangeable cross-reference
interchangeable
201.0038Interchangeable
interchangeable cross-reference
interchangeable
201.0601Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SSR201KFA5P59LY378KB?
SSR201KFA5P59LY378KB is a BEARING,ROLLER,CYLINDRICAL.
What parts can replace SSR201KFA5P59LY378KB?
There are 20 known substitutes for SSR201KFA5P59LY378KB: 02625, 201S, 201KS and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SSR201KFA5P59LY378KB?
SSR201KFA5P59LY378KB is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-295-1939. 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