PartsTable
Technical Data Sheet
452639 ✓ 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 OVERALL, bore_shape: STRAIGHT, bore_diameter: 50.00 MILLIMETERS NOMINAL MM, overall_width: 16.0 MILLIMETERS NOMINAL MM, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-702-0489, 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
452639
NSN: 3110-00-702-0489
FSC: 3110
CAGE: 52676 — SKF USA INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter50.00 MILLIMETERS NOMINAL MM
overall_width16.0 MILLIMETERS NOMINAL MM
load_directionRADIAL
surface_finishGROUND
special_featuresBELL HELICOPTER PART NO. PERMANENTLY MARKED ON FACE OF OUTER RING
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
internal_clearance0.0003 INCHES MINIMUM RADIAL AND 0.0014 INCHES MAXIMUM RADIAL IN
overall_outside_diameter80.00 MILLIMETERS NOMINAL MM
retainer_fabrication_methodPRESSED
standard_tolerance_designationABEC NO.1
NSN3110-00-702-0489
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 452639 · 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: PRESSED
INTERNAL CLEARANCE: 0.0003 INCHES MINIMUM RADIAL AND 0.0014 INCHES MAXIMUM RADIAL IN
MATERIAL: STEEL OVERALL
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
BORE DIAMETER: 50.00 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER: 80.00 MILLIMETERS NOMINAL MM
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
TECHNICAL CHARACTERISTICS (FLIS)
RETAINER FABRICATION METHODPRESSED
INTERNAL CLEARANCE0.0003 INCHES MINIMUM RADIAL AND 0.0014 INCHES MAXIMUM RADIAL IN
MATERIALSTEEL OVERALL
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
BORE DIAMETER50.00 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER80.00 MILLIMETERS NOMINAL MM
STANDARD TOLERANCE DESIGNATIONABEC NO.1
SPECIAL FEATURESBELL HELICOPTER PART NO. PERMANENTLY MARKED ON FACE OF OUTER RING
OVERALL WIDTH16.0 MILLIMETERS NOMINAL MM
BORE SHAPESTRAIGHT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
6010Interchangeable
interchangeable cross-reference
interchangeable
110Interchangeable
interchangeable cross-reference
interchangeable
903010Interchangeable
interchangeable cross-reference
interchangeable
110KSInterchangeable
Same NIIN cross-reference
interchangeable
P9110KE6569Interchangeable
Same NIIN cross-reference
interchangeable
47-620-664Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 452639?
452639 is a BEARING,BALL,ANNULAR.
What parts can replace 452639?
There are 6 known substitutes for 452639: 6010, 110, 903010 and 3 more. Substitute compatibility should be verified for your specific system.
Is 452639 still available?
452639 is currently cancelled.
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