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Technical Data Sheet
PartsTable / COMPONENT / RA100NPPB+COLFS381A
RA100NPPB+COLFS381A ✓ 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 RA100NPPB+COLFS381A is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-820-9405, 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
RA100NPPB+COLFS381A
NSN: 3110-00-820-9405
FSC: 3110
CAGE: 21335 — TIMKEN CO DIV THE TIMKEN COMPANY (USA)
SPECIFICATIONS
Part NumberRA100NPPB+COLFS381A
NSN3110-00-820-9405
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: RA100NPPB+COLFS381A · 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
•
SURFACE FINISH: GROUND
•
SEAL QUANTITY: 2
•
LOAD DIRECTION: RADIAL
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: ANDOK B,FSCM 29700 MFR REF SINGLE MATERIAL RESPONSE
•
BEARING SEAL TYPE: CONTACT
•
ALIGNMENT TYPE: SELF-ALIGNING
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE FINISHGROUND
SEAL QUANTITY2
LOAD DIRECTIONRADIAL
INTERNAL FIT-UP DESIGNATIONSTANDARD
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONANDOK B,FSCM 29700 MFR REF SINGLE MATERIAL RESPONSE
BEARING SEAL TYPECONTACT
ALIGNMENT TYPESELF-ALIGNING
SPECIAL FEATURESCONTAINS SELF-LOCKING COLLAR
SELF-ALIGNMENT LOCATIONEXTERNAL
STANDARD TOLERANCE DESIGNATIONABEC NO.1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
SL1 PILLOW BLOCKInterchangeable
interchangeable cross-reference
interchangeable
SSP-16Interchangeable
interchangeable cross-reference
interchangeable
12807/SL1 PILLOW BLOCKInterchangeable
interchangeable cross-reference
interchangeable
3101-1194Interchangeable
interchangeable cross-reference
interchangeable
2KAB001000093Interchangeable
interchangeable cross-reference
interchangeable
403618Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RA100NPPB+COLFS381A?
RA100NPPB+COLFS381A is a RA100NPPB+COLFS381A.
What parts can replace RA100NPPB+COLFS381A?
There are 24 known substitutes for RA100NPPB+COLFS381A: SL1 PILLOW BLOCK, SSP-16, 12807/SL1 PILLOW BLOCK and 21 more. Substitute compatibility should be verified for your specific system.
Is RA100NPPB+COLFS381A still available?
RA100NPPB+COLFS381A 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