PartsTable
Technical Data Sheet
PartsTable / MRO / M1438
M1438 ✓ 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

FILTER,RADIO FREQUENCY INTERFERE. Key specifications include special_features: FUNCTION, DISPLAY UNIT, WORKSTATION MONITOR (MDT), end_item_identification: TDWR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-155-6479, 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→ M1438
NSN: 3110-00-155-6479
FSC: 3110
CAGE: 61208 — TWIN DISC, INCORPORATED DBA TWIN DISC MID-ATLANTIC (USA)
SPECIFICATIONS
special_featuresFUNCTION, DISPLAY UNIT, WORKSTATION MONITOR (MDT)
end_item_identificationTDWR
NSN3110-00-155-6479
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: M1438 · 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: ABEC NO.1
•
STYLE DESIGNATOR: LOADING GROOVE, NON-SEPARABLE
•
MATERIAL: STEEL BALL
•
SURFACE FINISH: GROUND
•
BORE SHAPE: STRAIGHT
•
OVERALL OUTSIDE DIAMETER: 200.00 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS (FLIS)
STANDARD TOLERANCE DESIGNATIONABEC NO.1
STYLE DESIGNATORLOADING GROOVE, NON-SEPARABLE
MATERIALSTEEL BALL
MATERIALSTEEL OUTER RING
SURFACE FINISHGROUND
BORE SHAPESTRAIGHT
OVERALL OUTSIDE DIAMETER200.00 MILLIMETERS NOMINAL MM
MATERIALSTEEL INNER RING
LOAD DIRECTIONRADIAL
INTERNAL FIT-UP DESIGNATIONSTANDARD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
700573Interchangeable
interchangeable cross-reference
interchangeable
543414Interchangeable
interchangeable cross-reference
interchangeable
395Interchangeable
interchangeable cross-reference
interchangeable
543401Interchangeable
interchangeable cross-reference
interchangeable
700721Interchangeable
interchangeable cross-reference
interchangeable
177009-102Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M1438?
M1438 is a FILTER,RADIO FREQUENCY INTERFERE. It is classified as a MRO (MRO_GENERAL).
What parts can replace M1438?
There are 29 known substitutes for M1438: 700573, 543414, 395 and 26 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M1438?
M1438 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-155-6479. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026