PartsTable
Technical Data Sheet
90321-2 ✓ 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: 0.220 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN, body_height: 0.140 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN, body_length: 1.280 INCHES MAXIMUM IN, features_provided: HERMETICALLY SEALED AND BURN IN AND MONOLITHIC AND ERASABLE, output_logic_form: COMPLEMENTARY-METAL OXIDE-SEMICONDUCTOR LOGIC, inclosure_material: CERAMIC. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-554-2974, 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
90321-2
NSN: 3110-00-554-2974
FSC: 3110
CAGE: 73342 — ALLISON TRANSMISSION INC DBA ALLISON TRANSMISSION, INC (USA)
SPECIFICATIONS
body_width0.220 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
body_height0.140 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
body_length1.280 INCHES MAXIMUM IN
features_providedHERMETICALLY SEALED AND BURN IN AND MONOLITHIC AND ERASABLE
output_logic_formCOMPLEMENTARY-METAL OXIDE-SEMICONDUCTOR LOGIC
inclosure_materialCERAMIC
memory_device_typePAL
storage_temp_range-65.0 TO 150.0 CELSIUS DEGC
test_data_document96906-MIL-STD-883 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
operating_temp_range-55.0 TO 125.0 CELSIUS DEGC
input_circuit_pattern22 INPUT
inclosure_configurationDUAL-IN-LINE
NSN3110-00-554-2974
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 90321-2 · 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 27
212MQ6A7Interchangeable
interchangeable cross-reference
interchangeable
1212MInterchangeable
interchangeable cross-reference
interchangeable
1212X1Interchangeable
interchangeable cross-reference
interchangeable
11554Interchangeable
interchangeable cross-reference
interchangeable
SH-8872 DETAIL 10Interchangeable
interchangeable cross-reference
interchangeable
C100800-4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 90321-2?
90321-2 is a MICROCIRCUIT,DIGITAL.
What parts can replace 90321-2?
There are 27 known substitutes for 90321-2: 212MQ6A7, 1212M, 1212X1 and 24 more. Substitute compatibility should be verified for your specific system.
Is 90321-2 still available?
90321-2 is currently cancelled.
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