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SFR1K30J-228 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

SFR1K30J-228: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL COMP 440C OUTER RING, bore_shape: STRAIGHT, flange_width: 0.0230 INCHES NOMINAL IN, bore_diameter: 0.0550 INCHES NOMINAL IN, overall_width: 0.0781 INCHES NOMINAL IN, load_direction: RADIAL. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-258-3054, 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
SFR1K30J-228
NSN: 3110-01-258-3054
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: F9450 — EUROTECH INTERNATIONAL (FRA)
SPECIFICATIONS
materialSTEEL COMP 440C OUTER RING
bore_shapeSTRAIGHT
flange_width0.0230 INCHES NOMINAL IN
bore_diameter0.0550 INCHES NOMINAL IN
overall_width0.0781 INCHES NOMINAL IN
load_directionRADIAL
surface_finishGROUND
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
internal_clearance0.0002 INCHES MINIMUM RADIAL AND 0.0004 INCHES MAXIMUM RADIAL IN
lubrication_materialOIL LUBRICATING
bearing_preload_rating5.0 POUNDS NOMINAL LBS
functional_descriptionDEEP GROOVE FLANGED OPEN INSTRUMENT APPL
NSN3110-01-258-3054
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: SFR1K30J-228 · 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
•
RETAINER FABRICATION METHOD: STAMPED
•
LUBRICATION MATERIAL: OIL LUBRICATING
•
BEARING PRELOAD RATING: 5.0 POUNDS NOMINAL LBS
•
INTERNAL CLEARANCE: 0.0002 INCHES MINIMUM RADIAL AND 0.0004 INCHES MAXIMUM RADIAL IN
•
FLANGE OUTSIDE DIAMETER: 0.2344 INCHES NOMINAL IN
•
SURFACE FINISH: GROUND
•
REFERENCE DATA AND LITERATURE: MFR REF R1
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODSTAMPED
LUBRICATION MATERIALOIL LUBRICATING
BEARING PRELOAD RATING5.0 POUNDS NOMINAL LBS
INTERNAL CLEARANCE0.0002 INCHES MINIMUM RADIAL AND 0.0004 INCHES MAXIMUM RADIAL IN
FLANGE OUTSIDE DIAMETER0.2344 INCHES NOMINAL IN
SURFACE FINISHGROUND
REFERENCE DATA AND LITERATUREMFR REF R1
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
MATERIAL DOCUMENT AND CLASSIFICATIONAISI UNS S41000 ASSN STD SINGLE MATERIAL RESPONSE CAGE
MATERIAL DOCUMENT AND CLASSIFICATIONAISI UNS S44004 ASSN STD SINGLE MATERIAL RESPONSE BALL
OTHER ITEMS IN FSC 3110 — Bearings, Antifriction, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3110-00-001-1937 3110-00-001-1938 3110-00-001-4661 3110-00-001-4662 3110-00-001-4689 3110-00-001-4722
SUBSTITUTES & CROSS-REFERENCES 1
SFR1K3O-51Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SFR1K30J-228?
SFR1K30J-228 is a BEARING,BALL,ANNULAR.
What parts can replace SFR1K30J-228?
There is 1 known substitute for SFR1K30J-228: SFR1K3O-51. Substitute compatibility should be verified for your specific system.
What is the NSN for SFR1K30J-228?
SFR1K30J-228 is cataloged in the U.S. Government catalog under NSN 3110-01-258-3054. This indicates validated use in U.S. government and defense supply chains.
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U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.