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489706 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

489706: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL BALL, bore_shape: STRAIGHT, bore_diameter: 4.3304 INCHES MINIMUM AND 4.3307 INCHES MAXIMUM IN, load_direction: RADIAL, surface_finish: GROUND, inner_ring_width: 0.9920 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-246-9784, 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
489706
NSN: 3110-00-246-9784
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL BALL
bore_shapeSTRAIGHT
bore_diameter4.3304 INCHES MINIMUM AND 4.3307 INCHES MAXIMUM IN
load_directionRADIAL
surface_finishGROUND
inner_ring_width0.9920 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN
outer_ring_width0.7794 INCHES MINIMUM AND 0.7874 INCHES MAXIMUM IN
special_featuresSILVER PLATE CAGE PER AMS 2412 0.0010-0.0020THK ON LAND RIDING SURF ANDBALL POCKETS. BAKE AT 475-500F FOR 2HRS TO CHECK FOR BOND
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
features_providedMOUNTING GROOVE
internal_clearance0.0033 INCHES MINIMUM RADIAL AND 0.0042 INCHES MAXIMUM RADIAL IN
overall_outside_diameter5.9051 INCHES MINIMUM AND 5.9055 INCHES MAXIMUM IN
NSN3110-00-246-9784
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 489706 · 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
•
RETAINER FABRICATION METHOD: MACHINED
•
OUTER RING WIDTH: 0.7794 INCHES MINIMUM AND 0.7874 INCHES MAXIMUM IN
•
INTERNAL CLEARANCE: 0.0033 INCHES MINIMUM RADIAL AND 0.0042 INCHES MAXIMUM RADIAL IN
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: PWA723,97497 MFR REF 1ST MATERIAL RESPONSE BALL
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODMACHINED
OUTER RING WIDTH0.7794 INCHES MINIMUM AND 0.7874 INCHES MAXIMUM IN
INTERNAL CLEARANCE0.0033 INCHES MINIMUM RADIAL AND 0.0042 INCHES MAXIMUM RADIAL IN
SURFACE FINISHGROUND
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
MATERIAL DOCUMENT AND CLASSIFICATIONPWA723,97497 MFR REF 1ST MATERIAL RESPONSE BALL
MATERIAL DOCUMENT AND CLASSIFICATIONPWA723,97497 MFR REF 2ND MATERIAL RESPONSE INNER RING
MATERIAL DOCUMENT AND CLASSIFICATIONPWA723,97497 MFR REF 3RD MATERIAL RESPONSE OUTER RING
OVERALL OUTSIDE DIAMETER5.9051 INCHES MINIMUM AND 5.9055 INCHES MAXIMUM IN
FEATURES PROVIDEDMOUNTING GROOVE
SUBSTITUTES & CROSS-REFERENCES 1
672028Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 489706?
489706 is a BEARING,BALL,ANNULAR.
What parts can replace 489706?
There is 1 known substitute for 489706: 672028. Substitute compatibility should be verified for your specific system.
What is the NSN for 489706?
489706 is cataloged in the U.S. Government catalog under NSN 3110-00-246-9784. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.