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Technical Data Sheet
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K55-0043 — 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 OUTER RING, bore_shape: STRAIGHT, bore_diameter: 45.00 MILLIMETERS NOMINAL MM, overall_width: 25.0 MILLIMETERS NOMINAL MM, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the Federal Logistics Information System under NSN 3110-00-114-6001, 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
K55-0043
NSN: 3110-00-114-6001
FSC: 3110
CAGE: 20019 — WARD LEONARD CT LLC (USA)
SPECIFICATIONS
materialSTEEL OUTER RING
bore_shapeSTRAIGHT
bore_diameter45.00 MILLIMETERS NOMINAL MM
overall_width25.0 MILLIMETERS NOMINAL MM
seal_quantity2
load_directionRADIAL
surface_finishGROUND
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
bearing_seal_typeCONTACT
lubrication_materialGREASE
overall_outside_diameter100.00 MILLIMETERS NOMINAL MM
internal_fit-up_designationSTANDARD
NSN3110-00-114-6001
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: K55-0043 · 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: 45.00 MILLIMETERS NOMINAL MM
•
MATERIAL: STEEL RETAINER
•
LOAD DIRECTION: RADIAL
•
BORE SHAPE: STRAIGHT
•
SURFACE FINISH: GROUND
•
BEARING SEAL TYPE: CONTACT
•
INTERNAL FIT-UP DESIGNATION: STANDARD
TECHNICAL CHARACTERISTICS
BORE DIAMETER45.00 MILLIMETERS NOMINAL MM
MATERIALSTEEL RETAINER
LOAD DIRECTIONRADIAL
BORE SHAPESTRAIGHT
SURFACE FINISHGROUND
MATERIALSTEEL INNER RING
BEARING SEAL TYPECONTACT
INTERNAL FIT-UP DESIGNATIONSTANDARD
MATERIALRUBBER SYNTHETIC SEAL
MATERIALSTEEL BALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
99609InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
D322InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
627InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
OCCURInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
D22InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
99-1607InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is K55-0043?
K55-0043 is a BEARING,BALL,ANNULAR.
What parts can replace K55-0043?
There are 24 known substitutes for K55-0043: 99609, D322, 627 and 21 more. Substitute compatibility should be verified for your specific system.
Is K55-0043 still available?
K55-0043 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: September 2026