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Technical Data Sheet
PartsTable / COMPONENT / 903313
903313 ✓ 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 CORROSION RESISTING OVERALL, hole_diameter: 0.088 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN, hardness_rating: 35.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OR 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM, outside_diameter: 0.172 INCHES MAXIMUM IN, style_designator: SPLIT HELICAL-RIGHT HAND, surface_treatment: PASSIVATE OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-555-5210, 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
903313
NSN: 3110-00-555-5210
FSC: 3110
CAGE: 30379 — EUCLID INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
hole_diameter0.088 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN
hardness_rating35.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OR 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
outside_diameter0.172 INCHES MAXIMUM IN
style_designatorSPLIT HELICAL-RIGHT HAND
surface_treatmentPASSIVATE OVERALL
material_thickness0.020 INCHES MINIMUM AND 0.026 INCHES MAXIMUM IN
special_test_featuresFLEET BALLISTIC MISSILE QUALITY AS IDENTIFIED BY QUALITY CONTROL NO. POSO 911861
departure_from_cited_designatorAS MODIFIED BY SPECIAL TEST FEATURES
material_document_and_classification66 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN3110-00-555-5210
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 903313 · 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
•
LOAD DIRECTION: RADIAL
•
RETAINER FABRICATION METHOD: PRESSED
•
OVERALL OUTSIDE DIAMETER: 140.00 MILLIMETERS NOMINAL MM
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
MATERIAL: STEEL OVERALL
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
•
BORE DIAMETER: 65.00 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS (FLIS)
LOAD DIRECTIONRADIAL
OVERALL WIDTH33.0 MILLIMETERS NOMINAL MM
RETAINER FABRICATION METHODPRESSED
OVERALL OUTSIDE DIAMETER140.00 MILLIMETERS NOMINAL MM
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
MATERIALSTEEL OVERALL
STANDARD TOLERANCE DESIGNATIONABEC NO.1
BORE DIAMETER65.00 MILLIMETERS NOMINAL MM
BORE SHAPESTRAIGHT
SURFACE FINISHGROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
3313Interchangeable
interchangeable cross-reference
interchangeable
6313Interchangeable
interchangeable cross-reference
interchangeable
14U1036PCDA6313Interchangeable
interchangeable cross-reference
interchangeable
72-6970-373Interchangeable
interchangeable cross-reference
interchangeable
8864950P137Interchangeable
interchangeable cross-reference
interchangeable
7613XR1U9Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 903313?
903313 is a BEARING,BALL,ANNULAR.
What parts can replace 903313?
There are 25 known substitutes for 903313: 3313, 6313, 14U1036PCDA6313 and 22 more. Substitute compatibility should be verified for your specific system.
Is 903313 still available?
903313 is currently cancelled.
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Last verified: July 2026