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144399 — TRANSFORMER,POWER AUTOTRANSFORME

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

144399: TRANSFORMER,POWER AUTOTRANSFORME.

TRANSFORMER,POWER AUTOTRANSFORME. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, body_length: 2.313 INCHES NOMINAL IN, bore_diameter: 40.00 MILLIMETERS NOMINAL MM, overall_width: 18.0 MILLIMETERS NOMINAL MM, inclosure_type: FULLY INCLOSED. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-226-3494, 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
144399
NSN: 3110-00-226-3494
NIINs: 002263494, 004263647
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 79938 — EMERSON ELECTRIC CO U S ELECTRICAL MOTORS DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
body_length2.313 INCHES NOMINAL IN
bore_diameter40.00 MILLIMETERS NOMINAL MM
overall_width18.0 MILLIMETERS NOMINAL MM
inclosure_typeFULLY INCLOSED
load_directionRADIAL
surface_finishGROUND
mounting_methodTHREADED BUSHING SINGLE GROUP
frequency_rating60.0 HERTZ NOMINAL SINGLE COMPONENT
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
nominal_thread_size0.375 INCHES SINGLE GROUP IN
NSN3110-00-226-3494
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 144399 · 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
•
RETAINER FABRICATION METHOD: PRESSED
•
INTERNAL FIT-UP DESIGNATION: LOOSE
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 80.00 MILLIMETERS NOMINAL MM
•
BORE SHAPE: STRAIGHT
•
LOAD DIRECTION: RADIAL
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODPRESSED
INTERNAL FIT-UP DESIGNATIONLOOSE
SURFACE FINISHGROUND
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
OVERALL WIDTH18.0 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER80.00 MILLIMETERS NOMINAL MM
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
STANDARD TOLERANCE DESIGNATIONABEC NO.1
BORE DIAMETER40.00 MILLIMETERS NOMINAL MM
SUBSTITUTES & CROSS-REFERENCES 9
M2104Reference document
Same NSN cross-reference
Reference document — Secondary reference
900228Reference document
Same NSN cross-reference
Reference document — Secondary reference
894A605-008Reference document
Same NSN cross-reference
Reference document — Secondary reference
DIN625-6208-C3Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
3208L1AReference document
Same NSN cross-reference
Reference document — Secondary reference
FFB171/4J08A3EReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 144399?
144399 is a TRANSFORMER,POWER AUTOTRANSFORME.
What parts can replace 144399?
There are 9 known substitutes for 144399: M2104, 900228, 894A605-008 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 144399?
144399 is cataloged in the U.S. Government catalog under NSN 3110-00-226-3494. This indicates validated use in U.S. government and defense supply chains.
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