PartsTable
Technical Data Sheet
D21143 ✓ 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 MICROCIRCUIT,DIGITAL is a the manufacturer industrial component. Key specifications include body_width: 0.250 INCHES NOMINAL IN, body_height: 0.156 INCHES NOMINAL IN, body_length: 0.875 INCHES NOMINAL IN, features_provided: HERMETICALLY SEALED AND HIGH SPEED AND LOW POWER AND 3-STATE OUTPUT, output_logic_form: COMPLEMENTARY-LOGIC, inclosure_material: CERAMIC. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-554-5407, 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
D21143
NSN: 3110-00-554-5407
FSC: 3110
CAGE: 23926 — KOMATSU AMERICA CORPORATION (USA)
SPECIFICATIONS
body_width0.250 INCHES NOMINAL IN
body_height0.156 INCHES NOMINAL IN
body_length0.875 INCHES NOMINAL IN
features_providedHERMETICALLY SEALED AND HIGH SPEED AND LOW POWER AND 3-STATE OUTPUT
output_logic_formCOMPLEMENTARY-LOGIC
inclosure_materialCERAMIC
operating_temp_range-55.0 TO 125.0 CELSIUS DEGC
input_circuit_pattern12 INPUT
inclosure_configurationDUAL-IN-LINE
NSN3110-00-554-5407
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: D21143 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 34
10187806-001Interchangeable
interchangeable cross-reference
interchangeable
200276-7Interchangeable
interchangeable cross-reference
interchangeable
200276-4Interchangeable
interchangeable cross-reference
interchangeable
FF-B-171/03J12D2EInterchangeable
interchangeable cross-reference
interchangeable
93L12Interchangeable
interchangeable cross-reference
interchangeable
104KSFFInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D21143?
D21143 is a MICROCIRCUIT,DIGITAL.
What parts can replace D21143?
There are 34 known substitutes for D21143: 10187806-001, 200276-7, 200276-4 and 31 more. Substitute compatibility should be verified for your specific system.
Is D21143 still available?
D21143 is currently cancelled.
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