PartsTable
Technical Data Sheet
PartsTable / MRO / 2221B
2221B ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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

CAPACITOR,VARIABLE,AIR DIELECTRI. Key specifications include body_width: 1.010 INCHES MAXIMUM1.010 INCHES MAXIMUM IN, body_length: 5.920 INCHES MAXIMUM5.920 INCHES MAXIMUM IN, body_material: ALUMINUM, inclosure_type: ENCASED, overall_height: 1.790 INCHES NOMINAL1.790 INCHES NOMINAL IN, overall_length: 1.2500 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-120-4337, 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
MRO→ MRO_GENERAL→ 2221B
NSN: 3110-00-120-4337
FSC: 3110
CAGE: 23926 — KOMATSU AMERICA CORPORATION (USA)
SPECIFICATIONS
body_width1.010 INCHES MAXIMUM1.010 INCHES MAXIMUM IN
body_length5.920 INCHES MAXIMUM5.920 INCHES MAXIMUM IN
body_materialALUMINUM
inclosure_typeENCASED
overall_height1.790 INCHES NOMINAL1.790 INCHES NOMINAL IN
overall_length1.2500 INCHES NOMINAL IN
special_featuresROLLER TYPE: SOLID
style_designatorRECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES
nominal_thread_size0.138 INCHES IN
operating_temp_range-10.0 TO 75.0 CELSIUS-10.0 TO 75.0 CELSIUS DEGC
body_surface_treatmentTIN
overall_outside_diameter1.7500 INCHES NOMINAL IN
NSN3110-00-120-4337
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 2221B · 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: 1.7500 INCHES NOMINAL IN
TYPICAL APPLICATIONS
  • RAID cache protection during power loss events
  • Write-back cache enablement for storage controllers
  • Enterprise server data integrity assurance
  • Hot-swap battery/capacitor replacement in production
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL OUTSIDE DIAMETER1.7500 INCHES NOMINAL IN
OVERALL LENGTH1.2500 INCHES NOMINAL IN
SPECIAL FEATURESROLLER TYPE: SOLID
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
350523Interchangeable
interchangeable cross-reference
interchangeable
354243Interchangeable
interchangeable cross-reference
interchangeable
10875241Interchangeable
interchangeable cross-reference
interchangeable
94720Interchangeable
interchangeable cross-reference
interchangeable
92460Interchangeable
interchangeable cross-reference
interchangeable
A-1-195Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2221B?
2221B is a CAPACITOR,VARIABLE,AIR DIELECTRI. It is classified as a MRO (MRO_GENERAL).
What parts can replace 2221B?
There are 30 known substitutes for 2221B: 350523, 354243, 10875241 and 27 more. Substitute compatibility should be verified for your specific system.
Is 2221B still available?
2221B 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