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ST-228 — TRANSFORMER,RADIO FREQUENCY

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

ST-228: TRANSFORMER,RADIO FREQUENCY.

The TRANSFORMER,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, body_width: 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN, bore_shape: STRAIGHT, body_height: 0.125 INCHES MAXIMUM IN, body_length: 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN, bore_diameter: 75.00 MILLIMETERS NOMINAL MM. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-554-3358, 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
ST-228
NSN: 3110-00-554-3358
NIINs: 005543358, 012171695
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 29930 — INTERNATIONAL HARVESTER CO AGRICULTURAL EQUIPMENT DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_width0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
bore_shapeSTRAIGHT
body_height0.125 INCHES MAXIMUM IN
body_length0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
bore_diameter75.00 MILLIMETERS NOMINAL MM
overall_width25.0 MILLIMETERS NOMINAL MM
coil_form_typeSOLID SINGLE COMPONENT
inclosure_typeFULLY INCLOSED
load_directionRADIAL
surface_finishGROUND
frequency_rating0.5 MEGAHERTZ MINIMUM AND 18.5 MEGAHERTZ MAXIMUM SINGLE COMPONENT
NSN3110-00-554-3358
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: ST-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: PRESSED
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: LOADING GROOVE, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 130.00 MILLIMETERS NOMINAL MM
•
BORE SHAPE: STRAIGHT
•
LOAD DIRECTION: RADIAL
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODPRESSED
INTERNAL FIT-UP DESIGNATIONSTANDARD
SURFACE FINISHGROUND
STYLE DESIGNATORLOADING GROOVE, NON-SEPARABLE
OVERALL WIDTH25.0 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER130.00 MILLIMETERS NOMINAL MM
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
STANDARD TOLERANCE DESIGNATIONABEC NO.1
BORE DIAMETER75.00 MILLIMETERS NOMINAL MM
SUBSTITUTES & CROSS-REFERENCES 9
DM9Reference document
Same NSN cross-reference
Reference document — Secondary reference
1215Reference document
Same NSN cross-reference
Reference document — Secondary reference
215MReference document
Same NSN cross-reference
Reference document — Secondary reference
215WReference document
Same NSN cross-reference
Reference document — Secondary reference
0F48Reference document
Same NSN cross-reference
Reference document — Secondary reference
827768Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ST-228?
ST-228 is a TRANSFORMER,RADIO FREQUENCY.
What parts can replace ST-228?
There are 9 known substitutes for ST-228: DM9, 1215, 215M and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for ST-228?
ST-228 is cataloged in the U.S. Government catalog under NSN 3110-00-554-3358. This indicates validated use in U.S. government and defense supply chains.
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