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ST-210 — TRANSFORMER,POWER AUTOTRANSFORME

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

ST-210: TRANSFORMER,POWER AUTOTRANSFORME.

TRANSFORMER,POWER AUTOTRANSFORME. Key specifications include diameter: 1.000 INCHES NOMINAL IN, material: STEEL, body_width: 1.725 INCHES MAXIMUM IN, bore_shape: STRAIGHT, pilot_type: PLAIN, shank_type: STRAIGHT ROUND W/SQUARE END. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-554-6051, 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-210
NSN: 3110-00-554-6051
NIINs: 005546051, 006809960, 006837216, 009325227, 012258536
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 29930 — INTERNATIONAL HARVESTER CO AGRICULTURAL EQUIPMENT DIV (USA)
SPECIFICATIONS
diameter1.000 INCHES NOMINAL IN
materialSTEEL
body_width1.725 INCHES MAXIMUM IN
bore_shapeSTRAIGHT
pilot_typePLAIN
shank_typeSTRAIGHT ROUND W/SQUARE END
body_height2.438 INCHES MAXIMUM IN
body_length0.250 INCHES MAXIMUM IN
reamer_typeHAND
flute_designSPIRAL
flute_length0.750 INCHES NOMINAL IN
bore_diameter30.0 MILLIMETERS NOMINAL MM
NSN3110-00-554-6051
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: ST-210 · 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: NON-LOADING GROOVE, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 72.0 MILLIMETERS NOMINAL MM
•
BORE SHAPE: STRAIGHT
•
LOAD DIRECTION: RADIAL
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODPRESSED
INTERNAL FIT-UP DESIGNATIONSTANDARD
SURFACE FINISHGROUND
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
OVERALL WIDTH19.0 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER72.0 MILLIMETERS NOMINAL MM
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
STANDARD TOLERANCE DESIGNATIONABEC NO.1
BORE DIAMETER30.0 MILLIMETERS NOMINAL MM
SUBSTITUTES & CROSS-REFERENCES 10
GX143Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
1306X1AP3Reference document
Same NSN cross-reference
Reference document — Secondary reference
41306FReference document
Same NSN cross-reference
Reference document — Secondary reference
1306X1AReference document
Same NSN cross-reference
Reference document — Secondary reference
RT6422Reference document
Same NSN cross-reference
Reference document — Secondary reference
366678Reference 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-210?
ST-210 is a TRANSFORMER,POWER AUTOTRANSFORME.
What parts can replace ST-210?
There are 10 known substitutes for ST-210: GX143, 1306X1AP3, 41306F and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for ST-210?
ST-210 is cataloged in the U.S. Government catalog under NSN 3110-00-554-6051. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
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.