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Technical Data Sheet
PartsTable / COMPONENT / 170863
170863 ✓ 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,NEEDLE is a the manufacturer industrial component. Key specifications include end_item_identification: COFFIN TURBO PUMP INC TYPE CG TURBINE PUMPS, general_characteristics_item_description: STEAM MEDIA. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-227-2813, 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
170863
NSN: 3110-00-227-2813
FSC: 3110
CAGE: 55284 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL DIV AEROSPACE-SOUTH BEND (WESTMOOR ST) (USA)
SPECIFICATIONS
end_item_identificationCOFFIN TURBO PUMP INC TYPE CG TURBINE PUMPS
general_characteristics_item_descriptionSTEAM MEDIA
NSN3110-00-227-2813
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 170863 · 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
•
ALIGNMENT TYPE: RIGID
•
OUTER RING WIDTH: 1.0490 INCHES NOMINAL IN
•
INNER RING WIDTH: 1.2500 INCHES NOMINAL IN
•
SURFACE FINISH: GROUND
•
LUBRICATION MATERIAL: GREASE
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
•
RETAINER FABRICATION METHOD: PRESSED
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESOIL HOLE AND GROOVE IN OUTER AND INNER RINGS
ALIGNMENT TYPERIGID
OUTER RING WIDTH1.0490 INCHES NOMINAL IN
INNER RING WIDTH1.2500 INCHES NOMINAL IN
SURFACE FINISHGROUND
LUBRICATION MATERIALGREASE
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
RETAINER FABRICATION METHODPRESSED
SURFACE TREATMENTCADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
OVERALL OUTSIDE DIAMETER3.5000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 34
AS24461Interchangeable
interchangeable cross-reference
interchangeable
505-20Interchangeable
interchangeable cross-reference
interchangeable
MS24461-20Interchangeable
interchangeable cross-reference
interchangeable
3NBC511ZPInterchangeable
interchangeable cross-reference
interchangeable
505-3Interchangeable
interchangeable cross-reference
interchangeable
MS24461-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 170863?
170863 is a BEARING,ROLLER,NEEDLE.
What parts can replace 170863?
There are 34 known substitutes for 170863: AS24461, 505-20, MS24461-20 and 31 more. Substitute compatibility should be verified for your specific system.
Is 170863 still available?
170863 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