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Technical Data Sheet
PartsTable / COMPONENT / 17A4086ITEM1
17A4086ITEM1 ✓ 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: 55.0 MILLIMETERS NOMINAL MM, load_direction: RADIAL, surface_finish: GROUND, inner_ring_width: 1.9375 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 3110-00-151-8114, 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
17A4086ITEM1
NSN: 3110-00-151-8114
FSC: 3110
CAGE: 79500 — WESTINGHOUSE ELECTRIC CORP (USA)
SPECIFICATIONS
materialSTEEL BALL
bore_shapeSTRAIGHT
bore_diameter55.0 MILLIMETERS NOMINAL MM
load_directionRADIAL
surface_finishGROUND
inner_ring_width1.9375 INCHES NOMINAL IN
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
overall_outside_diameter120.0 MILLIMETERS NOMINAL MM
internal_fit-up_designationLOOSE
standard_tolerance_designationABEC NO.1
NSN3110-00-151-8114
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 17A4086ITEM1 · 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
•
BORE SHAPE: STRAIGHT
•
LOAD DIRECTION: RADIAL
•
INNER RING WIDTH: 1.9375 INCHES NOMINAL IN
•
SURFACE FINISH: GROUND
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
•
INTERNAL FIT-UP DESIGNATION: LOOSE
•
MATERIAL: STEEL INNER RING
TECHNICAL CHARACTERISTICS (FLIS)
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
INNER RING WIDTH1.9375 INCHES NOMINAL IN
SURFACE FINISHGROUND
STANDARD TOLERANCE DESIGNATIONABEC NO.1
INTERNAL FIT-UP DESIGNATIONLOOSE
MATERIALSTEEL INNER RING
MATERIALSTEEL OUTER RING
MATERIALSTEEL BALL
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
NC-301Interchangeable
interchangeable cross-reference
interchangeable
8900-0223-001Interchangeable
interchangeable cross-reference
interchangeable
992866-01Interchangeable
interchangeable cross-reference
interchangeable
311SW1Interchangeable
interchangeable cross-reference
interchangeable
I72311Interchangeable
interchangeable cross-reference
interchangeable
4611Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 17A4086ITEM1?
17A4086ITEM1 is a BEARING,BALL,ANNULAR.
What parts can replace 17A4086ITEM1?
There are 17 known substitutes for 17A4086ITEM1: NC-301, 8900-0223-001, 992866-01 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 17A4086ITEM1?
17A4086ITEM1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-151-8114. 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