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Technical Data Sheet
PartsTable / COMPONENT / R63DK25
R63DK25 ✓ 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: 0.3750 INCHES NOMINAL IN, overall_width: 0.2188 INCHES NOMINAL IN, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-554-5239, 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
R63DK25
NSN: 3110-00-554-5239
FSC: 3110
CAGE: 83086 — NEW HAMPSHIRE BALL BEARINGS INC DIV HITECH DIVISION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter0.3750 INCHES NOMINAL IN
overall_width0.2188 INCHES NOMINAL IN
load_directionRADIAL
surface_finishGROUND
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
overall_outside_diameter0.8750 INCHES NOMINAL IN
internal_fit-up_designationSTANDARD
retainer_fabrication_methodPRESSED
standard_tolerance_designationABEC NO.3
NSN3110-00-554-5239
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: R63DK25 · 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
•
LOAD DIRECTION: RADIAL
•
BORE SHAPE: STRAIGHT
•
RETAINER FABRICATION METHOD: PRESSED
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 0.8750 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.3
TECHNICAL CHARACTERISTICS (FLIS)
LOAD DIRECTIONRADIAL
BORE SHAPESTRAIGHT
RETAINER FABRICATION METHODPRESSED
MATERIALSTEEL OVERALL
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
OVERALL OUTSIDE DIAMETER0.8750 INCHES NOMINAL IN
OVERALL WIDTH0.2188 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONABEC NO.3
INTERNAL FIT-UP DESIGNATIONSTANDARD
SURFACE FINISHGROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
R6XR3EInterchangeable
interchangeable cross-reference
interchangeable
MS3Interchangeable
interchangeable cross-reference
interchangeable
R6X3CInterchangeable
interchangeable cross-reference
interchangeable
RMS3KInterchangeable
Same NIIN cross-reference
interchangeable
R6XR3JInterchangeable
Same NIIN cross-reference
interchangeable
MS3KInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R63DK25?
R63DK25 is a BEARING,BALL,ANNULAR.
What parts can replace R63DK25?
There are 12 known substitutes for R63DK25: R6XR3E, MS3, R6X3C and 9 more. Substitute compatibility should be verified for your specific system.
Is R63DK25 still available?
R63DK25 is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: July 2026