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Technical Data Sheet
PartsTable / COMPONENT / ST2028
ST2028 ✓ 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

CONE AND ROLLERS,TAPERED ROLLER. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL, overall_height: 0.386 INCHES NOMINAL IN, style_designator: PLAIN, seat_angle_in_deg: 20.000 NOMINAL, body_inside_diameter: 1.563 INCHES NOMINAL IN, body_outside_diameter: 2.250 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0759, 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
ST2028
NSN: 3110-00-100-0759
FSC: 3110
CAGE: 31007 — NAVISTAR INTERNATIONAL CORPORATION DBA NAVISTAR (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
overall_height0.386 INCHES NOMINAL IN
style_designatorPLAIN
seat_angle_in_deg20.000 NOMINAL
body_inside_diameter1.563 INCHES NOMINAL IN
body_outside_diameter2.250 INCHES NOMINAL IN
seating_surface_shapeANGULAR
NSN3110-00-100-0759
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: ST2028 · 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
•
CONE CORNER RADIUS: 0.1406 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NORMAL ANGLE
•
BORE DIAMETER: 1.3125 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
CONE WIDTH: 1.1810 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
TYPICAL APPLICATIONS
  • Long-term data archival and compliance retention
  • Offsite backup and disaster recovery
  • Air-gapped ransomware protection
  • Cold storage tier for infrequently accessed data
TECHNICAL CHARACTERISTICS (FLIS)
CONE CORNER RADIUS0.1406 INCHES NOMINAL IN
STYLE DESIGNATORNORMAL ANGLE
BORE DIAMETER1.3125 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
CONE WIDTH1.1810 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
1543Interchangeable
interchangeable cross-reference
interchangeable
3196Interchangeable
interchangeable cross-reference
interchangeable
907-251Interchangeable
interchangeable cross-reference
interchangeable
47A41707Interchangeable
interchangeable cross-reference
interchangeable
AMS-QQ-A-200/3Interchangeable
interchangeable cross-reference
interchangeable
QQA200-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ST2028?
ST2028 is a CONE AND ROLLERS,TAPERED ROLLER.
What parts can replace ST2028?
There are 20 known substitutes for ST2028: 1543, 3196, 907-251 and 17 more. Substitute compatibility should be verified for your specific system.
Is ST2028 still available?
ST2028 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