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Technical Data Sheet
PartsTable / COMPONENT / 271731-9
271731-9 ✓ 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: STEEL INNER RING, bore_shape: STRAIGHT, bore_diameter: 55.00 MILLIMETERS NOMINAL MM, overall_width: 21.00 MILLIMETERS NOMINAL MM, surface_finish: GROUND, locating_feature: NONLOCATING. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-155-7356, 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
271731-9
NSN: 3110-00-155-7356
FSC: 3110
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL INNER RING
bore_shapeSTRAIGHT
bore_diameter55.00 MILLIMETERS NOMINAL MM
overall_width21.00 MILLIMETERS NOMINAL MM
surface_finishGROUND
locating_featureNONLOCATING
style_designatorSINGLE ROW, NON-LOCATING, TWO LIP INNER RING, CYLINDRICAL OUTER RING, SEPARABLE
overall_outside_diameter100.00 MILLIMETERS NOMINAL MM
internal_fit-up_designationSTANDARD
standard_tolerance_designationRBEC NO.1
NSN3110-00-155-7356
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 271731-9 · 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
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
LOCATING FEATURE: NONLOCATING
•
STANDARD TOLERANCE DESIGNATION: RBEC NO.1
•
MATERIAL: STEEL INNER RING
•
STYLE DESIGNATOR: SINGLE ROW, NON-LOCATING, TWO LIP INNER RING, CYLINDRICAL OUTER RING, SEPARABLE
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH21.00 MILLIMETERS NOMINAL MM
INTERNAL FIT-UP DESIGNATIONSTANDARD
LOCATING FEATURENONLOCATING
STANDARD TOLERANCE DESIGNATIONRBEC NO.1
MATERIALSTEEL INNER RING
STYLE DESIGNATORSINGLE ROW, NON-LOCATING, TWO LIP INNER RING, CYLINDRICAL OUTER RING, SEPARABLE
MATERIALSTEEL ROLLER
MATERIALSTEEL OUTER RING
SURFACE FINISHGROUND
BORE SHAPESTRAIGHT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
208625Interchangeable
interchangeable cross-reference
interchangeable
A84143Interchangeable
interchangeable cross-reference
interchangeable
N430Interchangeable
interchangeable cross-reference
interchangeable
N436PC163Interchangeable
interchangeable cross-reference
interchangeable
N199PC163Interchangeable
interchangeable cross-reference
interchangeable
H224Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 271731-9?
271731-9 is a BEARING,ROLLER,CYLINDRICAL.
What parts can replace 271731-9?
There are 27 known substitutes for 271731-9: 208625, A84143, N430 and 24 more. Substitute compatibility should be verified for your specific system.
Is 271731-9 still available?
271731-9 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