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Technical Data Sheet
PartsTable / COMPONENT / 23148YMW33
23148YMW33 ✓ Verified by PartsTable
— · TAPERED BEARING
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

The BEARING,ROLLER,SELF-ALIGNING is a the manufacturer industrial component. Key specifications include material: STEEL INNER RING, bore_shape: STRAIGHT, bore_diameter: 240.0 MILLIMETERS NOMINAL MM, overall_width: 128.0 MILLIMETERS NOMINAL MM, surface_finish: GROUND, style_designator: DOUBLE ROW, SPHERICAL ROLLERS, SELF-CONTAINED, OUTER AND INNER RACEWAYS CONCAVE, NON-SEPARABLE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-207-0383, 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
23148YMW33
NSN: 3110-01-207-0383
FSC: 3110
CAGE: 21335 — TIMKEN CO DIV THE TIMKEN COMPANY (USA)
SPECIFICATIONS
materialSTEEL INNER RING
bore_shapeSTRAIGHT
bore_diameter240.0 MILLIMETERS NOMINAL MM
overall_width128.0 MILLIMETERS NOMINAL MM
surface_finishGROUND
style_designatorDOUBLE ROW, SPHERICAL ROLLERS, SELF-CONTAINED, OUTER AND INNER RACEWAYS CONCAVE, NON-SEPARABLE
features_providedLUBRICATION HOLE AND LUBRICATION GROOVE
overall_outside_diameter400.0 MILLIMETERS NOMINAL MM
internal_fit-up_designationSTANDARD
retainer_fabrication_methodMACHINED
standard_tolerance_designationRBEC NO.1
NSN3110-01-207-0383
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 23148YMW33 · 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
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
STANDARD TOLERANCE DESIGNATION: RBEC NO.1
•
BORE SHAPE: STRAIGHT
•
STYLE DESIGNATOR: DOUBLE ROW, SPHERICAL ROLLERS, SELF-CONTAINED, OUTER AND INNER RACEWAYS CONCAVE, NON-SEPARABLE
•
MATERIAL: COPPER ALLOY RETAINER
TECHNICAL CHARACTERISTICS (FLIS)
INTERNAL FIT-UP DESIGNATIONSTANDARD
OVERALL WIDTH128.0 MILLIMETERS NOMINAL MM
STANDARD TOLERANCE DESIGNATIONRBEC NO.1
BORE SHAPESTRAIGHT
STYLE DESIGNATORDOUBLE ROW, SPHERICAL ROLLERS, SELF-CONTAINED, OUTER AND INNER RACEWAYS CONCAVE, NON-SEPARABLE
MATERIALCOPPER ALLOY RETAINER
MATERIALSTEEL INNER RING
MATERIALSTEEL ROLLER
MATERIALSTEEL OUTER RING
SURFACE FINISHGROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
23148Interchangeable
interchangeable cross-reference
interchangeable
63439HInterchangeable
interchangeable cross-reference
interchangeable
5398Interchangeable
interchangeable cross-reference
interchangeable
200-032Interchangeable
interchangeable cross-reference
interchangeable
SK0080Interchangeable
interchangeable cross-reference
interchangeable
126-3708Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 23148YMW33?
23148YMW33 is a BEARING,ROLLER,SELF-ALIGNING.
What parts can replace 23148YMW33?
There are 14 known substitutes for 23148YMW33: 23148, 63439H, 5398 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 23148YMW33?
23148YMW33 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-207-0383. 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