PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 177709-63
177709-63 ✓ 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 COMP E52100 OUTER RING, bore_shape: STRAIGHT, bore_diameter: 20.00 MILLIMETERS NOMINAL MM, overall_width: 9.0 MILLIMETERS NOMINAL MM, load_direction: RADIAL, surface_finish: GROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-151-5032, 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
177709-63
NSN: 3110-00-151-5032
FSC: 3110
CAGE: 71791 — CURTISS-WRIGHT CONTROLS, INC. DBA CURTISS WRIGHT DIV ACTUATION DIVISION (USA)
SPECIFICATIONS
materialSTEEL COMP E52100 OUTER RING
bore_shapeSTRAIGHT
bore_diameter20.00 MILLIMETERS NOMINAL MM
overall_width9.0 MILLIMETERS NOMINAL MM
seal_quantity2
load_directionRADIAL
surface_finishGROUND
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
bearing_seal_typeCONTACT
lubrication_materialGREASE
overall_outside_diameter37.00 MILLIMETERS NOMINAL MM
internal_fit-up_designationSTANDARD
NSN3110-00-151-5032
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 177709-63 · 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
•
BEARING SEAL TYPE: CONTACT
•
LUBRICATION MATERIAL: GREASE
•
SEAL QUANTITY: 2
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-7420 MIL SPEC SINGLE MATERIAL RESPONSE INNER RING
•
SURFACE FINISH: GROUND
•
MATERIAL: STEEL COMP E52100 BALL
TECHNICAL CHARACTERISTICS (FLIS)
BEARING SEAL TYPECONTACT
LUBRICATION MATERIALGREASE
SEAL QUANTITY2
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7420 MIL SPEC SINGLE MATERIAL RESPONSE INNER RING
SURFACE FINISHGROUND
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7420 MIL SPEC SINGLE MATERIAL RESPONSE BALL
MATERIALSTEEL COMP E52100 BALL
MATERIALSTEEL COMP 1010 RETAINER
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5040 ASSN STD SINGLE MATERIAL RESPONSE RETAINER
MATERIALSTEEL COMP E52100 INNER RING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
AJ9800-23-2Interchangeable
interchangeable cross-reference
interchangeable
HDT001Interchangeable
interchangeable cross-reference
interchangeable
FF-B-171/2Interchangeable
interchangeable cross-reference
interchangeable
6904LCC8Interchangeable
interchangeable cross-reference
interchangeable
A-A-59582Interchangeable
interchangeable cross-reference
interchangeable
468105Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 177709-63?
177709-63 is a BEARING,BALL,ANNULAR.
What parts can replace 177709-63?
There are 29 known substitutes for 177709-63: AJ9800-23-2, HDT001, FF-B-171/2 and 26 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 177709-63?
177709-63 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-151-5032. 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