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Technical Data Sheet
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177009-123 — Technical Data Sheet

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— · 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 OVERALL, bore_shape: STRAIGHT, bore_diameter: 85.00 MILLIMETERS NOMINAL MM, contact_angle: 25.0 DEGREES MAXIMUM, overall_width: 60.00 MILLIMETERS NOMINAL MM, alignment_type: SELF-ALIGNING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 3110-00-156-5135, 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
177009-123
NSN: 3110-00-156-5135
FSC: 3110
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter85.00 MILLIMETERS NOMINAL MM
contact_angle25.0 DEGREES MAXIMUM
overall_width60.00 MILLIMETERS NOMINAL MM
alignment_typeSELF-ALIGNING
load_directionANGULAR
surface_finishGROUND
style_designatorLOADING GROOVE, NON-SEPARABLE
lubrication_materialGREASE
self-alignment_locationINTERNAL
overall_outside_diameter180.00 MILLIMETERS NOMINAL MM
NSN3110-00-156-5135
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 177009-123 · 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 CONTACT ANGULAR DIRECTION: INWARD CONVERGENT
•
BORE SHAPE: STRAIGHT
•
SELF-ALIGNMENT LOCATION: INTERNAL
•
SURFACE FINISH: GROUND
•
CONTACT ANGLE: 25.0 DEGREES MAXIMUM
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
TECHNICAL CHARACTERISTICS
OVERALL WIDTH60.00 MILLIMETERS NOMINAL MM
INTERNAL FIT-UP CONTACT ANGULAR DIRECTIONINWARD CONVERGENT
BORE SHAPESTRAIGHT
SELF-ALIGNMENT LOCATIONINTERNAL
SURFACE FINISHGROUND
INTERNAL FIT-UP CONTACT ANGULAR DIRECTIONINWARD CONVERGENT
CONTACT ANGLE25.0 DEGREES MAXIMUM
STANDARD TOLERANCE DESIGNATIONABEC NO.1
LOAD DIRECTIONANGULAR
RETAINER FABRICATION METHODPRESSED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
2317InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
C66351XInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
L6317InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
2315InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
KD5InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
KT32-12-0InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 177009-123?
177009-123 is a BEARING,BALL,ANNULAR.
What parts can replace 177009-123?
There are 9 known substitutes for 177009-123: 2317, C66351X, L6317 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 177009-123?
177009-123 is cataloged in the Federal Logistics Information System under NSN 3110-00-156-5135. 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: September 2026