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Technical Data Sheet
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313WDD — Technical Data Sheet

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— · 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 INNER RING, bore_shape: STRAIGHT, bore_diameter: 65.00 MILLIMETERS NOMINAL MM, overall_width: 33.00 MILLIMETERS NOMINAL MM, load_direction: RADIAL, surface_finish: GROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 3110-00-155-6797, 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
313WDD
NSN: 3110-00-155-6797
FSC: 3110
CAGE: 21335 — TIMKEN CO DIV THE TIMKEN COMPANY (USA)
SPECIFICATIONS
materialSTEEL INNER RING
bore_shapeSTRAIGHT
bore_diameter65.00 MILLIMETERS NOMINAL MM
overall_width33.00 MILLIMETERS NOMINAL MM
load_directionRADIAL
surface_finishGROUND
shield_quantity2
style_designatorLOADING GROOVE, NON-SEPARABLE
lubrication_materialGREASE
overall_outside_diameter140.00 MILLIMETERS NOMINAL MM
internal_fit-up_designationSTANDARD
standard_tolerance_designationABEC NO.1
NSN3110-00-155-6797
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 313WDD · 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
•
BORE DIAMETER: 65.00 MILLIMETERS NOMINAL MM
•
MATERIAL: STEEL BALL
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
SURFACE FINISH: GROUND
•
BORE SHAPE: STRAIGHT
•
LUBRICATION MATERIAL: GREASE
TECHNICAL CHARACTERISTICS
BORE DIAMETER65.00 MILLIMETERS NOMINAL MM
MATERIALSTEEL BALL
MATERIALSTEEL SHIELD
STANDARD TOLERANCE DESIGNATIONABEC NO.1
INTERNAL FIT-UP DESIGNATIONSTANDARD
SURFACE FINISHGROUND
BORE SHAPESTRAIGHT
LUBRICATION MATERIALGREASE
LOAD DIRECTIONRADIAL
SHIELD QUANTITY2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
MILP19834InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
TYPE2InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
7731-3InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
370001InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
10-10-0525-10InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
1313MFFInterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 313WDD?
313WDD is a BEARING,BALL,ANNULAR.
What parts can replace 313WDD?
There are 7 known substitutes for 313WDD: MILP19834, TYPE2, 7731-3 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 313WDD?
313WDD is cataloged in the Federal Logistics Information System under NSN 3110-00-155-6797. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: September 2026