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PartsTable / COMPONENT / SFR188PPEEXK25MILG3278
SFR188PPEEXK25MILG3278 ✓ 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 COMP 440C INNER RING, bore_shape: STRAIGHT, flange_width: 0.0450 INCHES NOMINAL IN, bore_diameter: 0.2500 INCHES NOMINAL IN, alignment_type: RIGID, load_direction: RADIAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-618-9266, 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
SFR188PPEEXK25MILG3278
NSN: 3110-00-618-9266
FSC: 3110
CAGE: 83086 — NEW HAMPSHIRE BALL BEARINGS INC DIV HITECH DIVISION (USA)
SPECIFICATIONS
materialSTEEL COMP 440C INNER RING
bore_shapeSTRAIGHT
flange_width0.0450 INCHES NOMINAL IN
bore_diameter0.2500 INCHES NOMINAL IN
alignment_typeRIGID
load_directionRADIAL
surface_finishGROUND
shield_quantity2
inner_ring_width0.2187 INCHES NOMINAL IN
outer_ring_width0.1875 INCHES NOMINAL IN
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
surface_treatmentPASSIVATE OVERALL
NSN3110-00-618-9266
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: SFR188PPEEXK25MILG3278 · 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
•
ALIGNMENT TYPE: RIGID
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
•
OUTER RING WIDTH: 0.1875 INCHES NOMINAL IN
•
INTERNAL CLEARANCE: 0.0002 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN
•
SHIELD QUANTITY: 2
•
RETAINER FABRICATION METHOD: PRESSED
•
BORE SHAPE: STRAIGHT
•
LUBRICATION MATERIAL: GREASE
TECHNICAL CHARACTERISTICS (FLIS)
ALIGNMENT TYPERIGID
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
OUTER RING WIDTH0.1875 INCHES NOMINAL IN
INTERNAL CLEARANCE0.0002 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN
SHIELD QUANTITY2
RETAINER FABRICATION METHODPRESSED
BORE SHAPESTRAIGHT
LUBRICATION MATERIALGREASE
INNER RING WIDTH0.2187 INCHES NOMINAL IN
LOAD DIRECTIONRADIAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 31
SFR1683EEK25Interchangeable
interchangeable cross-reference
interchangeable
M81793-FHEGAN0GAC71AA0Interchangeable
interchangeable cross-reference
interchangeable
M81793/16-KA1N2N1PPInterchangeable
interchangeable cross-reference
interchangeable
41418Interchangeable
interchangeable cross-reference
interchangeable
6013-340Interchangeable
interchangeable cross-reference
interchangeable
MIL-B-81793-16Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SFR188PPEEXK25MILG3278?
SFR188PPEEXK25MILG3278 is a BEARING,BALL,ANNULAR.
What parts can replace SFR188PPEEXK25MILG3278?
There are 31 known substitutes for SFR188PPEEXK25MILG3278: SFR1683EEK25, M81793-FHEGAN0GAC71AA0, M81793/16-KA1N2N1PP and 28 more. Substitute compatibility should be verified for your specific system.
Is SFR188PPEEXK25MILG3278 still available?
SFR188PPEEXK25MILG3278 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