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Technical Data Sheet
PartsTable / COMPONENT / K443
K443 ✓ 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: RUBBER SYNTHETIC SEAL, bore_shape: STRAIGHT, bore_diameter: 30.00 MILLIMETERS NOMINAL MM, overall_width: 19.0 MILLIMETERS NOMINAL MM, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-107-7565, 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
K443
NSN: 3110-00-107-7565
FSC: 3110
CAGE: 25729 — GRACE W E MFG CO (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEAL
bore_shapeSTRAIGHT
bore_diameter30.00 MILLIMETERS NOMINAL MM
overall_width19.0 MILLIMETERS NOMINAL MM
seal_quantity1
load_directionRADIAL
surface_finishGROUND
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
bearing_seal_typeCONTACT
overall_outside_diameter72.00 MILLIMETERS NOMINAL MM
internal_fit-up_designationSTANDARD
nondefinitive_spec/std_data11 TYPE AND 00 GRADE AND 7 CLASS
NSN3110-00-107-7565
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: K443 · 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
•
OVERALL OUTSIDE DIAMETER: 72.00 MILLIMETERS NOMINAL MM
•
MATERIAL: RUBBER SYNTHETIC SEAL
•
SEAL QUANTITY: 1
•
LOAD DIRECTION: RADIAL
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL OUTSIDE DIAMETER72.00 MILLIMETERS NOMINAL MM
MATERIALRUBBER SYNTHETIC SEAL
MATERIALSTEEL INNER RING
MATERIALSTEEL OUTER RING
SEAL QUANTITY1
LOAD DIRECTIONRADIAL
MATERIALSTEEL RETAINER
MATERIALSTEEL BALL
INTERNAL FIT-UP DESIGNATIONSTANDARD
OVERALL WIDTH19.0 MILLIMETERS NOMINAL MM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 32
9606Interchangeable
interchangeable cross-reference
interchangeable
7534364P4Interchangeable
interchangeable cross-reference
interchangeable
UZ9606Interchangeable
interchangeable cross-reference
interchangeable
6630-5520-1400Interchangeable
interchangeable cross-reference
interchangeable
R27ARC5Interchangeable
interchangeable cross-reference
interchangeable
R27ARC5LDInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is K443?
K443 is a BEARING,BALL,ANNULAR.
What parts can replace K443?
There are 32 known substitutes for K443: 9606, 7534364P4, UZ9606 and 29 more. Substitute compatibility should be verified for your specific system.
Is K443 still available?
K443 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