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PartsTable / COMPONENT / 205SFFQ5A7MILG3278A
205SFFQ5A7MILG3278A ✓ 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: 25.00 MILLIMETERS NOMINAL MM, overall_width: 15.0 MILLIMETERS NOMINAL MM, load_direction: RADIAL, surface_finish: GROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-555-5236, 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
205SFFQ5A7MILG3278A
NSN: 3110-00-555-5236
FSC: 3110
CAGE: 38443 — SKF USA INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter25.00 MILLIMETERS NOMINAL MM
overall_width15.0 MILLIMETERS NOMINAL MM
load_directionRADIAL
surface_finishGROUND
shield_quantity2
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
lubrication_materialGREASE
overall_outside_diameter52.00 MILLIMETERS NOMINAL MM
internal_fit-up_designationSTANDARD
retainer_fabrication_methodPRESSED
NSN3110-00-555-5236
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 205SFFQ5A7MILG3278A · 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
•
OVERALL OUTSIDE DIAMETER: 52.00 MILLIMETERS NOMINAL MM
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
•
RETAINER FABRICATION METHOD: PRESSED
•
LUBRICATION MATERIAL: GREASE
•
SURFACE FINISH: GROUND
•
BORE SHAPE: STRAIGHT
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL OUTSIDE DIAMETER52.00 MILLIMETERS NOMINAL MM
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
RETAINER FABRICATION METHODPRESSED
LUBRICATION MATERIALGREASE
SURFACE FINISHGROUND
BORE SHAPESTRAIGHT
INTERNAL FIT-UP DESIGNATIONSTANDARD
STANDARD TOLERANCE DESIGNATIONABEC NO.1
SHIELD QUANTITY2
LOAD DIRECTIONRADIAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
784-8-20Interchangeable
interchangeable cross-reference
interchangeable
AN515-8R20Interchangeable
interchangeable cross-reference
interchangeable
1177-8-20Interchangeable
interchangeable cross-reference
interchangeable
10554038-10Interchangeable
interchangeable cross-reference
interchangeable
80410Interchangeable
interchangeable cross-reference
interchangeable
26859Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 205SFFQ5A7MILG3278A?
205SFFQ5A7MILG3278A is a BEARING,BALL,ANNULAR.
What parts can replace 205SFFQ5A7MILG3278A?
There are 23 known substitutes for 205SFFQ5A7MILG3278A: 784-8-20, AN515-8R20, 1177-8-20 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 205SFFQ5A7MILG3278A?
205SFFQ5A7MILG3278A is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-555-5236. 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