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ST-211 — TRANSFORMER,POWER AUTOTRANSFORME

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

ST-211: TRANSFORMER,POWER AUTOTRANSFORME.

TRANSFORMER,POWER AUTOTRANSFORME. Key specifications include material: STEEL INNER RING, body_width: 1.540 INCHES NOMINAL IN, bore_shape: STRAIGHT, body_height: 2.370 INCHES NOMINAL IN, body_length: 1.550 INCHES NOMINAL IN, bore_diameter: 30.0 MILLIMETERS NOMINAL MM. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-155-6200, 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-211
NSN: 3110-00-155-6200
NIINs: 001556200, 008348924, 009381779
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 1X0J7 — VOLVO CONSTRUCTION EQUIPMENT NORTH AMERICA, LLC (USA)
SPECIFICATIONS
materialSTEEL INNER RING
body_width1.540 INCHES NOMINAL IN
bore_shapeSTRAIGHT
body_height2.370 INCHES NOMINAL IN
body_length1.550 INCHES NOMINAL IN
bore_diameter30.0 MILLIMETERS NOMINAL MM
overall_width16.0 MILLIMETERS NOMINAL MM
inclosure_typeOPEN
load_directionRADIAL
surface_finishGROUND
mounting_methodTHREADED HOLE(S) SINGLE GROUP
shield_quantity1
NSN3110-00-155-6200
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: ST-211 · 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
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
SURFACE FINISH: GROUND
•
SHIELD QUANTITY: 1
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 62.0 MILLIMETERS NOMINAL MM
•
BORE SHAPE: STRAIGHT
•
LOAD DIRECTION: RADIAL
TECHNICAL CHARACTERISTICS
INTERNAL FIT-UP DESIGNATIONSTANDARD
SURFACE FINISHGROUND
SHIELD QUANTITY1
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
OVERALL WIDTH16.0 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER62.0 MILLIMETERS NOMINAL MM
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
STANDARD TOLERANCE DESIGNATIONABEC NO.1
BORE DIAMETER30.0 MILLIMETERS NOMINAL MM
SUBSTITUTES & CROSS-REFERENCES 10
20504-29Reference document
Same NSN cross-reference
Reference document — Secondary reference
895DUReference document
Same NSN cross-reference
Reference document — Secondary reference
7506Reference document
Same NSN cross-reference
Reference document — Secondary reference
23681DReference document
Same NSN cross-reference
Reference document — Secondary reference
29530Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
515138AReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ST-211?
ST-211 is a TRANSFORMER,POWER AUTOTRANSFORME.
What parts can replace ST-211?
There are 10 known substitutes for ST-211: 20504-29, 895DU, 7506 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for ST-211?
ST-211 is cataloged in the U.S. Government catalog under NSN 3110-00-155-6200. 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.