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Technical Data Sheet
PartsTable / COMPONENT / 306SWI
306SWI ✓ 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 BALL, bore_shape: STRAIGHT, bore_diameter: 30.00 MILLIMETERS NOMINAL MM, load_direction: RADIAL, surface_finish: GROUND, inner_ring_width: 1.1875 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-155-6843, 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
306SWI
NSN: 3110-00-155-6843
FSC: 3110
CAGE: 38443 — SKF USA INC. (USA)
SPECIFICATIONS
materialSTEEL BALL
bore_shapeSTRAIGHT
bore_diameter30.00 MILLIMETERS NOMINAL MM
load_directionRADIAL
surface_finishGROUND
inner_ring_width1.1875 INCHES NOMINAL IN
outer_ring_width19.00 MILLIMETERS NOMINAL MM
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
overall_outside_diameter72.00 MILLIMETERS NOMINAL MM
internal_fit-up_designationSTANDARD
standard_tolerance_designationABEC NO.1
NSN3110-00-155-6843
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 306SWI · 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: 30.00 MILLIMETERS NOMINAL MM
•
MATERIAL: STEEL OUTER RING
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
OUTER RING WIDTH: 19.00 MILLIMETERS NOMINAL MM
•
LOAD DIRECTION: RADIAL
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER30.00 MILLIMETERS NOMINAL MM
MATERIALSTEEL OUTER RING
MATERIALSTEEL BALL
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
MATERIALSTEEL INNER RING
OUTER RING WIDTH19.00 MILLIMETERS NOMINAL MM
LOAD DIRECTIONRADIAL
STANDARD TOLERANCE DESIGNATIONABEC NO.1
OVERALL OUTSIDE DIAMETER72.00 MILLIMETERS NOMINAL MM
SURFACE FINISHGROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
664046Interchangeable
interchangeable cross-reference
interchangeable
430-6Interchangeable
interchangeable cross-reference
interchangeable
820A113Interchangeable
interchangeable cross-reference
interchangeable
4250-020-30Interchangeable
interchangeable cross-reference
interchangeable
6306NRInterchangeable
interchangeable cross-reference
interchangeable
43306X1AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 306SWI?
306SWI is a BEARING,BALL,ANNULAR.
What parts can replace 306SWI?
There are 23 known substitutes for 306SWI: 664046, 430-6, 820A113 and 20 more. Substitute compatibility should be verified for your specific system.
Is 306SWI still available?
306SWI is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026