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Technical Data Sheet
PartsTable / COMPONENT / S457
S457 ✓ 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

The CUP,TAPERED ROLLER BEARING is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE MOUNTING FACILITY, overall_width: 0.6105 INCHES NOMINAL IN, overall_height: 0.556 INCHES IN, terminal_length: 0.281 INCHES IN, largest_diameter: 0.125 INCHES SINGLE END IN, outside_diameter: 3.0000 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0562, 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
S457
NSN: 3110-00-100-0562
FSC: 3110
CAGE: 13125 — CLEVELAND TRENCHER CO INC (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE MOUNTING FACILITY
overall_width0.6105 INCHES NOMINAL IN
overall_height0.556 INCHES IN
terminal_length0.281 INCHES IN
largest_diameter0.125 INCHES SINGLE END IN
outside_diameter3.0000 INCHES NOMINAL IN
overall_diameter0.187 INCHES IN
style_designatorNORMAL ANGLE
basic_shape_styleNONTUBULAR, ROUND
surface_treatmentSILVER CONDUCTOR ACCOMMODATION SINGLE LAYER
thru-hole_diameter0.040 INCHES IN
major_bushing_length0.125 INCHES IN
NSN3110-00-100-0562
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: S457 · 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
•
MATERIAL: STEEL OVERALL
•
OUTSIDE DIAMETER: 3.0000 INCHES NOMINAL IN
•
BACKFACE CORNER RADIUS: 0.0469 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NORMAL ANGLE
•
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)
MATERIALSTEEL OVERALL
OUTSIDE DIAMETER3.0000 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.0469 INCHES NOMINAL IN
OVERALL WIDTH0.6105 INCHES NOMINAL IN
STYLE DESIGNATORNORMAL ANGLE
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
188233Interchangeable
interchangeable cross-reference
interchangeable
66217Interchangeable
interchangeable cross-reference
interchangeable
CS022Interchangeable
interchangeable cross-reference
interchangeable
S457Interchangeable
interchangeable cross-reference
interchangeable
ST250L4AInterchangeable
interchangeable cross-reference
interchangeable
28300Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S457?
S457 is a CUP,TAPERED ROLLER BEARING.
What parts can replace S457?
There are 18 known substitutes for S457: 188233, 66217, CS022 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S457?
S457 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0562. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026