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Technical Data Sheet
PartsTable / COMPONENT / 121648.1
121648.1 ✓ 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 121648.1 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-441-3236, 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
121648.1
NSN: 3110-01-441-3236
FSC: 3110
CAGE: 27737 — INA BEARING CO INC (USA)
SPECIFICATIONS
Part Number121648.1
NSN3110-01-441-3236
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 121648.1 · 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
•
BORE DIAMETER: 39.987 MILLIMETERS MINIMUM AND 40.000 MILLIMETERS MAXIMUM MM
•
OVERALL OUTSIDE DIAMETER: 103.42 MILLIMETERS MINIMUM AND 103.68 MILLIMETERS MAXIMUM MM
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER39.987 MILLIMETERS MINIMUM AND 40.000 MILLIMETERS MAXIMUM MM
OVERALL OUTSIDE DIAMETER103.42 MILLIMETERS MINIMUM AND 103.68 MILLIMETERS MAXIMUM MM
OVERALL WIDTH42.62 MILLIMETERS MINIMUM AND 43.13 MILLIMETERS MAXIMUM MM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
121648-1Interchangeable
interchangeable cross-reference
interchangeable
121648Interchangeable
interchangeable cross-reference
interchangeable
1343-008Interchangeable
interchangeable cross-reference
interchangeable
1333648Interchangeable
Same NIIN cross-reference
interchangeable
MG5208VFFQInterchangeable
Same NIIN cross-reference
interchangeable
MG5208VFFQEV3Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 121648.1?
121648.1 is a 121648.1.
What parts can replace 121648.1?
There are 6 known substitutes for 121648.1: 121648-1, 121648, 1343-008 and 3 more. Substitute compatibility should be verified for your specific system.
Is 121648.1 still available?
121648.1 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