PartsTable
Technical Data Sheet
238859 ✓ 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

RESISTOR,VARIABLE,WIRE WOUND,PRE. Key specifications include material: STEEL OVERALL, body_style: CYLINDRICAL SERVO MOUNTED, bore_shape: STRAIGHT, body_length: 1.000 INCHES NOMINAL IN, shaft_style: ROUND, bearing_type: BALL SHAFT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-144-8549, 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 238859
NSN: 3110-00-144-8549
FSC: 3110
CAGE: 79500 — WESTINGHOUSE ELECTRIC CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_styleCYLINDRICAL SERVO MOUNTED
bore_shapeSTRAIGHT
body_length1.000 INCHES NOMINAL IN
shaft_styleROUND
bearing_typeBALL SHAFT
pilot_length0.0620 INCHES NOMINAL IN
shaft_length0.938 INCHES NOMINAL IN
shaft_runout0.001 INCHES IN
actuator_typeSINGLE SHAFT
body_diameter2.000 INCHES NOMINAL IN
bore_diameter55.00 MILLIMETERS NOMINAL MM
NSN3110-00-144-8549
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 238859 · 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: 140.00 MILLIMETERS NOMINAL MM
BORE SHAPE: STRAIGHT
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
LOAD DIRECTION: RADIAL
MATERIAL: STEEL OVERALL
BORE DIAMETER: 55.00 MILLIMETERS NOMINAL MM
NONDEFINITIVE SPEC/STD DATA: 111 TYPE AND 1 CLASS AND 00 GRADE
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL OUTSIDE DIAMETER140.00 MILLIMETERS NOMINAL MM
BORE SHAPESTRAIGHT
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
LOAD DIRECTIONRADIAL
OVERALL WIDTH33.0 MILLIMETERS NOMINAL MM
MATERIALSTEEL OVERALL
BORE DIAMETER55.00 MILLIMETERS NOMINAL MM
NONDEFINITIVE SPEC/STD DATA111 TYPE AND 1 CLASS AND 00 GRADE
INTERNAL FIT-UP DESIGNATIONSTANDARD
SURFACE FINISHGROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
691CInterchangeable
interchangeable cross-reference
interchangeable
6411Interchangeable
interchangeable cross-reference
interchangeable
375-2056P7Interchangeable
interchangeable cross-reference
interchangeable
1041-1Interchangeable
interchangeable cross-reference
interchangeable
2060-7Interchangeable
interchangeable cross-reference
interchangeable
14054PInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 238859?
238859 is a RESISTOR,VARIABLE,WIRE WOUND,PRE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 238859?
There are 24 known substitutes for 238859: 691C, 6411, 375-2056P7 and 21 more. Substitute compatibility should be verified for your specific system.
Is 238859 still available?
238859 is currently cancelled.
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