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Technical Data Sheet
PartsTable / MRO / 121552
121552 ✓ 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

MOLD,POTTING,ELECTRICAL CONNECTO. Key specifications include material: STEEL OVERALL, overall_width: 1.5000 INCHES NOMINAL IN, outside_diameter: 6.3750 INCHES NOMINAL IN, style_designator: NORMAL ANGLE, backface_corner_radius: 0.1250 INCHES NOMINAL IN, standard_tolerance_designation: AFBMA CLASS 2. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0338, 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→ 121552
NSN: 3110-00-100-0338
FSC: 3110
CAGE: 30379 — EUCLID INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_width1.5000 INCHES NOMINAL IN
outside_diameter6.3750 INCHES NOMINAL IN
style_designatorNORMAL ANGLE
backface_corner_radius0.1250 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-100-0338
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 121552 · 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
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
BACKFACE CORNER RADIUS: 0.1250 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
OUTSIDE DIAMETER: 6.3750 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NORMAL ANGLE
TECHNICAL CHARACTERISTICS (FLIS)
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
BACKFACE CORNER RADIUS0.1250 INCHES NOMINAL IN
OVERALL WIDTH1.5000 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
OUTSIDE DIAMETER6.3750 INCHES NOMINAL IN
STYLE DESIGNATORNORMAL ANGLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
752DELUXEInterchangeable
interchangeable cross-reference
interchangeable
752Interchangeable
interchangeable cross-reference
interchangeable
7748694Interchangeable
interchangeable cross-reference
interchangeable
109298Interchangeable
interchangeable cross-reference
interchangeable
SRS109298Interchangeable
interchangeable cross-reference
interchangeable
149044Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 121552?
121552 is a MOLD,POTTING,ELECTRICAL CONNECTO. It is classified as a MRO (MRO_GENERAL).
What parts can replace 121552?
There are 26 known substitutes for 121552: 752DELUXE, 752, 7748694 and 23 more. Substitute compatibility should be verified for your specific system.
Is 121552 still available?
121552 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