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Technical Data Sheet
PartsTable / COMPONENT / M33K3FS25856
M33K3FS25856 ✓ 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,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, bore_diameter: 0.1250 INCHES NOMINAL IN, overall_width: 0.1562 INCHES NOMINAL IN, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-289-6704, 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
M33K3FS25856
NSN: 3110-00-289-6704
FSC: 3110
CAGE: 21335 — TIMKEN CO DIV THE TIMKEN COMPANY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter0.1250 INCHES NOMINAL IN
overall_width0.1562 INCHES NOMINAL IN
load_directionRADIAL
surface_finishGROUND
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
overall_outside_diameter0.3750 INCHES NOMINAL IN
internal_fit-up_designationSTANDARD
retainer_fabrication_methodPRESSED
standard_tolerance_designationABEC NO.3
NSN3110-00-289-6704
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: M33K3FS25856 · 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.3
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
MATERIAL: STEEL OVERALL
•
BORE SHAPE: STRAIGHT
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
OVERALL OUTSIDE DIAMETER: 0.3750 INCHES NOMINAL IN
•
RETAINER FABRICATION METHOD: PRESSED
TECHNICAL CHARACTERISTICS (FLIS)
STANDARD TOLERANCE DESIGNATIONABEC NO.3
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
MATERIALSTEEL OVERALL
BORE SHAPESTRAIGHT
INTERNAL FIT-UP DESIGNATIONSTANDARD
OVERALL WIDTH0.1562 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER0.3750 INCHES NOMINAL IN
RETAINER FABRICATION METHODPRESSED
SURFACE FINISHGROUND
BORE DIAMETER0.1250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 31
Z99R3XRCJ3Interchangeable
interchangeable cross-reference
interchangeable
R3ZZQ5A7MILG3278AInterchangeable
interchangeable cross-reference
interchangeable
4131103&4A1A&SInterchangeable
interchangeable cross-reference
interchangeable
77R12LR1CJInterchangeable
interchangeable cross-reference
interchangeable
AA59644-117ECHCInterchangeable
interchangeable cross-reference
interchangeable
FF-B-2844/02Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M33K3FS25856?
M33K3FS25856 is a BEARING,BALL,ANNULAR.
What parts can replace M33K3FS25856?
There are 31 known substitutes for M33K3FS25856: Z99R3XRCJ3, R3ZZQ5A7MILG3278A, 4131103&4A1A&S and 28 more. Substitute compatibility should be verified for your specific system.
Is M33K3FS25856 still available?
M33K3FS25856 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