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Technical Data Sheet
PartsTable / COMPONENT / S1KDD7
S1KDD7 ✓ 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 bore_diameter: 0.2500 INCHES NOMINAL IN, overall_width: 0.1960 INCHES NOMINAL IN, lubrication_material: GREASE, overall_outside_diameter: 0.6250 INCHES NOMINAL IN, lubrication_material_document_and_classification: MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-134-0190, 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
S1KDD7
NSN: 3110-00-134-0190
FSC: 3110
CAGE: 21335 — TIMKEN CO DIV THE TIMKEN COMPANY (USA)
SPECIFICATIONS
bore_diameter0.2500 INCHES NOMINAL IN
overall_width0.1960 INCHES NOMINAL IN
lubrication_materialGREASE
overall_outside_diameter0.6250 INCHES NOMINAL IN
lubrication_material_document_and_classificationMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
NSN3110-00-134-0190
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: S1KDD7 · 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
•
BORE DIAMETER: 0.2497 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
•
OVERALL OUTSIDE DIAMETER: 0.6246 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN
•
LOAD DIRECTION: RADIAL
•
INTERNAL CLEARANCE: 0.0004 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
SHIELD QUANTITY: 2
•
BORE SHAPE: STRAIGHT
•
SURFACE FINISH: GROUND
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER0.2497 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER0.6246 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN
LOAD DIRECTIONRADIAL
INTERNAL CLEARANCE0.0004 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
SHIELD QUANTITY2
BORE SHAPESTRAIGHT
SURFACE FINISHGROUND
MATERIALSTEEL OVERALL
OVERALL WIDTH0.1910 INCHES MINIMUM AND 0.1960 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
Z99R4XR1HU6Interchangeable
interchangeable cross-reference
interchangeable
Z99R4XR1MV-XX3Interchangeable
interchangeable cross-reference
interchangeable
109000406Interchangeable
interchangeable cross-reference
interchangeable
R-4ZZRA1P25LG20Interchangeable
interchangeable cross-reference
interchangeable
RS77R4X1CInterchangeable
interchangeable cross-reference
interchangeable
11014596-15Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S1KDD7?
S1KDD7 is a BEARING,BALL,ANNULAR.
What parts can replace S1KDD7?
There are 20 known substitutes for S1KDD7: Z99R4XR1HU6, Z99R4XR1MV-XX3, 109000406 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S1KDD7?
S1KDD7 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-134-0190. 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