PartsTable
Technical Data Sheet
357278 ✓ 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: 3.9370 INCHES NOMINAL IN, overall_width: 1.1250 INCHES NOMINAL IN, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-682-4575, 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
357278
NSN: 3110-00-682-4575
FSC: 3110
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter3.9370 INCHES NOMINAL IN
overall_width1.1250 INCHES NOMINAL IN
load_directionRADIAL
surface_finishGROUND
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
overall_outside_diameter7.0866 INCHES NOMINAL IN
internal_fit-up_designationSTANDARD
retainer_fabrication_methodPRESSED
standard_tolerance_designationABEC NO.1
NSN3110-00-682-4575
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 357278 · 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
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
OVERALL OUTSIDE DIAMETER: 7.0866 INCHES NOMINAL IN
BORE SHAPE: STRAIGHT
BORE DIAMETER: 3.9370 INCHES NOMINAL IN
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
INTERNAL FIT-UP DESIGNATION: STANDARD
TECHNICAL CHARACTERISTICS (FLIS)
RETAINER FABRICATION METHODPRESSED
STANDARD TOLERANCE DESIGNATIONABEC NO.1
OVERALL WIDTH1.1250 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER7.0866 INCHES NOMINAL IN
BORE SHAPESTRAIGHT
BORE DIAMETER3.9370 INCHES NOMINAL IN
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
INTERNAL FIT-UP DESIGNATIONSTANDARD
LOAD DIRECTIONRADIAL
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
A32804BInterchangeable
interchangeable cross-reference
interchangeable
33488Interchangeable
interchangeable cross-reference
interchangeable
PC5152944Interchangeable
interchangeable cross-reference
interchangeable
P47AA-1Interchangeable
interchangeable cross-reference
interchangeable
470P3900Interchangeable
interchangeable cross-reference
interchangeable
46553-5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 357278?
357278 is a BEARING,BALL,ANNULAR.
What parts can replace 357278?
There are 10 known substitutes for 357278: A32804B, 33488, PC5152944 and 7 more. Substitute compatibility should be verified for your specific system.
Is 357278 still available?
357278 is currently cancelled.
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