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Technical Data Sheet
PartsTable / COMPONENT / W1399A
W1399A ✓ 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 is a the manufacturer industrial component. Key specifications include design_type: NONREUSABLE, body_diameter: 5.028 INCHES NOMINAL IN, special_features: FURNISHED W/GASKET AND O-RING, style_designator: CYLINDRICAL W/OUT CONTAINER, body_overall_length: 3.032 INCHES NOMINAL IN, body_inside_diameter: 2.938 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-128-7661, 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
W1399A
NSN: 3110-00-128-7661
FSC: 3110
CAGE: 21335 — TIMKEN CO DIV THE TIMKEN COMPANY (USA)
SPECIFICATIONS
design_typeNONREUSABLE
body_diameter5.028 INCHES NOMINAL IN
special_featuresFURNISHED W/GASKET AND O-RING
style_designatorCYLINDRICAL W/OUT CONTAINER
body_overall_length3.032 INCHES NOMINAL IN
body_inside_diameter2.938 INCHES NOMINAL IN
filtering_media_designPLEATED SINGLE FILTERING MEDIA RESPONSE
media_for_which_designedFUEL/OIL, HYDROCARBON
NSN3110-00-128-7661
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: W1399A · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
51668Interchangeable
interchangeable cross-reference
interchangeable
51668-02Interchangeable
interchangeable cross-reference
interchangeable
MA51668-02Interchangeable
interchangeable cross-reference
interchangeable
436FLInterchangeable
interchangeable cross-reference
interchangeable
5210PL0808370Interchangeable
interchangeable cross-reference
interchangeable
GGG-C-105 TY1CL1STAInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is W1399A?
W1399A is a BEARING,ROLLER.
What parts can replace W1399A?
There are 10 known substitutes for W1399A: 51668, 51668-02, MA51668-02 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for W1399A?
W1399A is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-128-7661. 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