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B790639-1 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

B790639-1: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL INNER RING, bore_shape: STRAIGHT, bore_diameter: 0.1968 INCHES MINIMUM AND 0.1969 INCHES MAXIMUM IN, overall_width: 0.1919 INCHES MINIMUM AND 0.1969 INCHES MAXIMUM IN, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-159-9147, 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
B790639-1
NSN: 3110-00-159-9147
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 55972 — HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL INNER RING
bore_shapeSTRAIGHT
bore_diameter0.1968 INCHES MINIMUM AND 0.1969 INCHES MAXIMUM IN
overall_width0.1919 INCHES MINIMUM AND 0.1969 INCHES MAXIMUM IN
load_directionRADIAL
surface_finishGROUND
special_featuresSELECTED,CLASSIFIED AND TESTED BY THE ASSEMBLY MFR AT HIS PLANT
style_designatorCOUNTERBORED OUTER RING, MAGNETO TYPE, S EPARABLE
overall_outside_diameter0.6299 INCHES MINIMUM AND 0.6301 INCHES MAXIMUM IN
internal_fit-up_designationSTANDARD
retainer_fabrication_methodMACHINED
NSN3110-00-159-9147
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: B790639-1 · 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
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: COUNTERBORED OUTER RING, MAGNETO TYPE, S EPARABLE
•
OVERALL OUTSIDE DIAMETER: 0.6299 INCHES MINIMUM AND 0.6301 INCHES MAXIMUM IN
•
BORE SHAPE: STRAIGHT
•
LOAD DIRECTION: RADIAL
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODMACHINED
INTERNAL FIT-UP DESIGNATIONSTANDARD
SURFACE FINISHGROUND
STYLE DESIGNATORCOUNTERBORED OUTER RING, MAGNETO TYPE, S EPARABLE
OVERALL WIDTH0.1919 INCHES MINIMUM AND 0.1969 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER0.6299 INCHES MINIMUM AND 0.6301 INCHES MAXIMUM IN
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
SPECIAL FEATURESSELECTED,CLASSIFIED AND TESTED BY THE ASSEMBLY MFR AT HIS PLANT
BORE DIAMETER0.1968 INCHES MINIMUM AND 0.1969 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 3110 — Bearings, Antifriction, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3110-00-001-1937 3110-00-001-1938 3110-00-001-4661 3110-00-001-4662 3110-00-001-4689 3110-00-001-4722
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B790639-1?
B790639-1 is a BEARING,BALL,ANNULAR.
What is the NSN for B790639-1?
B790639-1 is cataloged in the U.S. Government catalog under NSN 3110-00-159-9147. This indicates validated use in U.S. government and defense supply chains.
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