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PartsTable / COMPONENT / W306PPFS381A
W306PPFS381A ✓ 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: 1.1811 INCHES NOMINAL IN, overall_width: 1.1875 INCHES NOMINAL IN, load_direction: RADIAL, surface_finish: GROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-200-4981, 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
W306PPFS381A
NSN: 3110-01-200-4981
FSC: 3110
CAGE: 21335 — TIMKEN CO DIV THE TIMKEN COMPANY (USA)
SPECIFICATIONS
materialSTEEL BALL
bore_shapeSTRAIGHT
bore_diameter1.1811 INCHES NOMINAL IN
overall_width1.1875 INCHES NOMINAL IN
seal_quantity2
load_directionRADIAL
surface_finishGROUND
special_featuresW/O GREASE PLUG
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
bearing_seal_typeCONTACT
lubrication_materialGREASE
overall_outside_diameter2.8346 INCHES NOMINAL IN
NSN3110-01-200-4981
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: W306PPFS381A · 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: DOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE
•
OVERALL OUTSIDE DIAMETER: 2.8346 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
•
LUBRICATION MATERIAL: GREASE
•
LOAD DIRECTION: RADIAL
•
BEARING SEAL TYPE: CONTACT
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
SURFACE FINISH: GROUND
TECHNICAL CHARACTERISTICS (FLIS)
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONDOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE
OVERALL OUTSIDE DIAMETER2.8346 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONABEC NO.1
LUBRICATION MATERIALGREASE
LOAD DIRECTIONRADIAL
BEARING SEAL TYPECONTACT
INTERNAL FIT-UP DESIGNATIONSTANDARD
SURFACE FINISHGROUND
RETAINER FABRICATION METHODPRESSED
SEAL QUANTITY2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
W306PPC3FS381AInterchangeable
interchangeable cross-reference
interchangeable
S3606L10Interchangeable
interchangeable cross-reference
interchangeable
3606Interchangeable
interchangeable cross-reference
interchangeable
928J920PC18Interchangeable
interchangeable cross-reference
interchangeable
30BC33XSS30S26Interchangeable
interchangeable cross-reference
interchangeable
W306PPES137Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is W306PPFS381A?
W306PPFS381A is a BEARING,BALL,ANNULAR.
What parts can replace W306PPFS381A?
There are 8 known substitutes for W306PPFS381A: W306PPC3FS381A, S3606L10, 3606 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for W306PPFS381A?
W306PPFS381A is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-200-4981. 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