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Technical Data Sheet
PartsTable / MRO / D24
D24 ✓ 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

The GENERATOR,RINGING,MACHINE is a the manufacturer industrial component. Key specifications include enclosure_feature: HERMETIC, fsc_application_data: TELEPHONE AND TELEGRAPH EQUIPMENT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-8542, 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→ D24
NSN: 3110-00-100-8542
FSC: 3110
CAGE: 05527 — GWILLIAM COMPANY, INC. DIV BALL & ROLLER BEARING DIVISION (USA)
SPECIFICATIONS
enclosure_featureHERMETIC
fsc_application_dataTELEPHONE AND TELEGRAPH EQUIPMENT
NSN3110-00-100-8542
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: D24 · 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
•
SURFACE FINISH: GROUND
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
•
BORE SMALLEST DIAMETER: 1.9375 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
LARGEST BORE DIAMETER: 1.9375 INCHES NOMINAL IN
•
THRUST DIRECTIONAL CAPABILITY DESIGNATION: SINGLE
•
OVERALL OUTSIDE DIAMETER: 3.2187 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE FINISHGROUND
SPECIAL FEATURESRETAINERLESS TYPE
STANDARD TOLERANCE DESIGNATIONABEC NO.1
BORE SMALLEST DIAMETER1.9375 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
LARGEST BORE DIAMETER1.9375 INCHES NOMINAL IN
THRUST DIRECTIONAL CAPABILITY DESIGNATIONSINGLE
OVERALL OUTSIDE DIAMETER3.2187 INCHES NOMINAL IN
STYLE DESIGNATORGROOVED RACE SURFACE, BANDED OD
ALIGNMENT TYPERIGID
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
E24Interchangeable
interchangeable cross-reference
interchangeable
X949Interchangeable
interchangeable cross-reference
interchangeable
629Interchangeable
interchangeable cross-reference
interchangeable
TB-C-42Interchangeable
interchangeable cross-reference
interchangeable
9177Interchangeable
interchangeable cross-reference
interchangeable
C-99Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D24?
D24 is a GENERATOR,RINGING,MACHINE. It is classified as a MRO (MRO_GENERAL).
What parts can replace D24?
There are 20 known substitutes for D24: E24, X949, 629 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D24?
D24 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-8542. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026