PartsTable
Technical Data Sheet
23056YM ✓ 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 COMP E51100 OR STEEL COMP E52100 ROLLER, bore_shape: STRAIGHT, bore_diameter: 280.0 MILLIMETERS NOMINAL MM, overall_width: 106.0 MILLIMETERS NOMINAL MM, surface_finish: GROUND, special_features: OIL HOLE AND GROOVE IN OUTER RING. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-357-9977, 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
23056YM
NSN: 3110-00-357-9977
FSC: 3110
CAGE: 21335 — TIMKEN CO DIV THE TIMKEN COMPANY (USA)
SPECIFICATIONS
materialSTEEL COMP E51100 OR STEEL COMP E52100 ROLLER
bore_shapeSTRAIGHT
bore_diameter280.0 MILLIMETERS NOMINAL MM
overall_width106.0 MILLIMETERS NOMINAL MM
surface_finishGROUND
special_featuresOIL HOLE AND GROOVE IN OUTER RING
style_designatorDOUBLE ROW, SPHERICAL ROLLERS, SELF-CONTAINED, OUTER AND INNER RACEWAYS CONCAVE, NON-SEPARABLE
overall_outside_diameter420.0 MILLIMETERS NOMINAL MM
internal_fit-up_designationSTANDARD
standard_tolerance_designationRBEC NO.1
material_document_and_classification66 FED STD ALL MATERIAL RESPONSES INNER RING
NSN3110-00-357-9977
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 23056YM · 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
OVERALL OUTSIDE DIAMETER: 420.0 MILLIMETERS NOMINAL MM
STANDARD TOLERANCE DESIGNATION: RBEC NO.1
STYLE DESIGNATOR: DOUBLE ROW, SPHERICAL ROLLERS, SELF-CONTAINED, OUTER AND INNER RACEWAYS CONCAVE, NON-SEPARABLE
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES ROLLER
BORE DIAMETER: 280.0 MILLIMETERS NOMINAL MM
MATERIAL: STEEL COMP E51100 OR STEEL COMP E52100 OUTER RING
TECHNICAL CHARACTERISTICS (FLIS)
INTERNAL FIT-UP DESIGNATIONSTANDARD
OVERALL OUTSIDE DIAMETER420.0 MILLIMETERS NOMINAL MM
STANDARD TOLERANCE DESIGNATIONRBEC NO.1
STYLE DESIGNATORDOUBLE ROW, SPHERICAL ROLLERS, SELF-CONTAINED, OUTER AND INNER RACEWAYS CONCAVE, NON-SEPARABLE
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES ROLLER
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OUTER RING
BORE DIAMETER280.0 MILLIMETERS NOMINAL MM
MATERIALSTEEL COMP E51100 OR STEEL COMP E52100 OUTER RING
MATERIALSTEEL COMP E51100 OR STEEL COMP E52100 INNER RING
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES INNER RING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
53556Interchangeable
interchangeable cross-reference
interchangeable
C12505Interchangeable
interchangeable cross-reference
interchangeable
110S 7/8Interchangeable
interchangeable cross-reference
interchangeable
563-4302-1183504Interchangeable
interchangeable cross-reference
interchangeable
23056Interchangeable
interchangeable cross-reference
interchangeable
2971-20PC9Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 23056YM?
23056YM is a BEARING,ROLLER,SELF-ALIGNING.
What parts can replace 23056YM?
There are 19 known substitutes for 23056YM: 53556, C12505, 110S 7/8 and 16 more. Substitute compatibility should be verified for your specific system.
Is 23056YM still available?
23056YM is currently cancelled.
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