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Technical Data Sheet
PartsTable / COMPONENT / ST220
ST220 ✓ 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

INTERFACE UNIT,AUTOMATIC DATA PR. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, bore_diameter: 50.00 MILLIMETERS NOMINAL MM, overall_width: 1.130 INCHES MAXIMUM IN, inclosure_type: FULLY INCLOSED, load_direction: RADIAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-540-4656, 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
ST220
NSN: 3110-00-540-4656
FSC: 3110
CAGE: 31007 — NAVISTAR INTERNATIONAL CORPORATION DBA NAVISTAR (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter50.00 MILLIMETERS NOMINAL MM
overall_width1.130 INCHES MAXIMUM IN
inclosure_typeFULLY INCLOSED
load_directionRADIAL
overall_height0.940 INCHES MAXIMUM IN
overall_length1.380 INCHES MAXIMUM IN
surface_finishGROUND
mounting_methodTERMINAL SINGLE GROUP
terminal_length0.500 INCHES NOMINAL IN
frequency_rating50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT
NSN3110-00-540-4656
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: ST220 · 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
•
SURFACE FINISH: GROUND
•
RETAINER FABRICATION METHOD: PRESSED
•
BORE SHAPE: STRAIGHT
•
LOAD DIRECTION: RADIAL
•
STYLE DESIGNATOR: LOADING GROOVE, NON-SEPARABLE
•
MATERIAL: STEEL OVERALL
•
OVERALL OUTSIDE DIAMETER: 110.00 MILLIMETERS NOMINAL MM
•
BORE DIAMETER: 50.00 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE FINISHGROUND
RETAINER FABRICATION METHODPRESSED
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
STYLE DESIGNATORLOADING GROOVE, NON-SEPARABLE
MATERIALSTEEL OVERALL
OVERALL OUTSIDE DIAMETER110.00 MILLIMETERS NOMINAL MM
BORE DIAMETER50.00 MILLIMETERS NOMINAL MM
INTERNAL FIT-UP DESIGNATIONSTANDARD
STANDARD TOLERANCE DESIGNATIONABEC NO.1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 33
34051Interchangeable
interchangeable cross-reference
interchangeable
M3-10Interchangeable
interchangeable cross-reference
interchangeable
7450870Interchangeable
interchangeable cross-reference
interchangeable
191038Interchangeable
interchangeable cross-reference
interchangeable
430-6Interchangeable
interchangeable cross-reference
interchangeable
820A113Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ST220?
ST220 is a INTERFACE UNIT,AUTOMATIC DATA PR.
What parts can replace ST220?
There are 33 known substitutes for ST220: 34051, M3-10, 7450870 and 30 more. Substitute compatibility should be verified for your specific system.
Is ST220 still available?
ST220 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026