PartsTable
Technical Data Sheet
PartsTable / MRO / 4-193-53
4-193-53 ✓ 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

TRANSFORMER,POWER AUTOTRANSFORME. Key specifications include material: STEEL OVERALL, cone_width: 1.2205 INCHES NOMINAL IN, bore_diameter: 3.0000 INCHES NOMINAL IN, special_features: SLOW BLOW TYPE FUSE AXIAL LEAD, style_designator: NORMAL ANGLE, cone_corner_radius: 0.1400 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-198-2280, 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→ 4-193-53
NSN: 3110-00-198-2280
FSC: 3110
CAGE: 78880 — FLXIBLE CO THE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cone_width1.2205 INCHES NOMINAL IN
bore_diameter3.0000 INCHES NOMINAL IN
special_featuresSLOW BLOW TYPE FUSE AXIAL LEAD
style_designatorNORMAL ANGLE
cone_corner_radius0.1400 INCHES NOMINAL IN
end_item_identificationEND ITEM PLC TARAWA CLASS LHA
interruption_indicator_methodOPAQUE BODY
standard_tolerance_designationAFBMA CLASS 2
maximum_voltage_rating_in_volts125.0 AC AND 125.0 DC
continuous_current_rating_in_amps3.000
circuit_over-current_interruption_typeDELAY TIME
NSN3110-00-198-2280
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 4-193-53 · 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
•
BORE DIAMETER: 3.0000 INCHES NOMINAL IN
•
CONE CORNER RADIUS: 0.1400 INCHES NOMINAL IN
•
CONE WIDTH: 1.2205 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: NORMAL ANGLE
TECHNICAL CHARACTERISTICS (FLIS)
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
BORE DIAMETER3.0000 INCHES NOMINAL IN
CONE CORNER RADIUS0.1400 INCHES NOMINAL IN
CONE WIDTH1.2205 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
STYLE DESIGNATORNORMAL ANGLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
283143-1Interchangeable
interchangeable cross-reference
interchangeable
2546Interchangeable
interchangeable cross-reference
interchangeable
WO734-009Interchangeable
interchangeable cross-reference
interchangeable
807-1700 PIECE 17Interchangeable
interchangeable cross-reference
interchangeable
R5Interchangeable
interchangeable cross-reference
interchangeable
1755Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4-193-53?
4-193-53 is a TRANSFORMER,POWER AUTOTRANSFORME. It is classified as a MRO (MRO_GENERAL).
What parts can replace 4-193-53?
There are 25 known substitutes for 4-193-53: 283143-1, 2546, WO734-009 and 22 more. Substitute compatibility should be verified for your specific system.
Is 4-193-53 still available?
4-193-53 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