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Technical Data Sheet
PartsTable / COMPONENT / 121725
121725 ✓ 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 BEARING,ROLLER,JOURNAL is a the manufacturer industrial component. Key specifications include phase: SINGLE, material: COPPER ALLOY CASE, tuning_type: VARIABLE, current_type: AC, power_rating: 20.000 KILOWATTS NOMINAL, bore_diameter: 50.0000 MILLIMETERS NOMINAL MM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-117-2133, 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
121725
NSN: 3110-00-117-2133
FSC: 3110
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
phaseSINGLE
materialCOPPER ALLOY CASE
tuning_typeVARIABLE
current_typeAC
power_rating20.000 KILOWATTS NOMINAL
bore_diameter50.0000 MILLIMETERS NOMINAL MM
terminal_typeCONNECTOR
overall_length19.438 INCHES NOMINAL IN
voltage_rating115.0 VOLTS NOMINAL
coupling_methodINDUCTIVE-CAPACITIVE
frequency_rating60.0 HERTZ NOMINAL
overall_diameter8.125 INCHES NOMINAL IN
NSN3110-00-117-2133
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 121725 · 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: 110.00 MILLIMETERS NOMINAL MM
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCES FOR JOURNAL BEARINGS
•
BORE DIAMETER: 50.0000 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL OUTSIDE DIAMETER110.00 MILLIMETERS NOMINAL MM
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCES FOR JOURNAL BEARINGS
BORE DIAMETER50.0000 MILLIMETERS NOMINAL MM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
030-1000Interchangeable
interchangeable cross-reference
interchangeable
D310Interchangeable
interchangeable cross-reference
interchangeable
B7713ITEM6Interchangeable
interchangeable cross-reference
interchangeable
P309XInterchangeable
interchangeable cross-reference
interchangeable
RC38Interchangeable
interchangeable cross-reference
interchangeable
P309Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 121725?
121725 is a BEARING,ROLLER,JOURNAL.
What parts can replace 121725?
There are 13 known substitutes for 121725: 030-1000, D310, B7713ITEM6 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 121725?
121725 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-117-2133. 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