PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S1K7FS56203Bearing,ball,annular

Timken Co Div the Timken Company · NSN 3110-00-115-0759 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-115-0759 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-115-0759. Primary manufacturer part number: S1K7FS56203.
Features
  • Bearing,ball,annular — FSC 3110
  • Internal Fit-Up Designation: STANDARD
  • Bore Diameter: 0.2500 INCHES NOMINAL IN
  • Standard Tolerance Designation: ABEC NO.1
  • Lubrication Material: GREASE
  • Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
  • Load Direction: RADIAL
  • Surface Finish: GROUND
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp E52100 Overall construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-115-0759, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Timken Co Div the Timken Company. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-115-0759
Primary Part NumberS1K7FS56203
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerTimken Co Div the Timken Company
StatusACTIVE
Internal Fit-Up DesignationSTANDARD
Bore Diameter0.2500 INCHES NOMINAL IN
Standard Tolerance DesignationABEC NO.1
Lubrication MaterialGREASE
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
Load DirectionRADIAL
Surface FinishGROUND
Lubrication Material Document and ClassificationMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
MaterialSTEEL COMP E52100 OVERALL
Overall Outside Diameter0.6250 INCHES NOMINAL IN
Bore ShapeSTRAIGHT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3110-00-155-9618056-4 INTERCHANGEABLE
Bearing,ball,annular
Lockheed Martin Corporation Div Rms - Mitchel Field
Cross-Reference Index
Part NumberManufacturer
4131104-0A1A Whippany Actuation Systems, Llc (USA)
S1K7FS56203 PRIMARY Timken Co Div the Timken Company (USA)
S1K7FS160 Timken Co Div the Timken Company (USA)
R4-4131104-0A1A Skf Usa Inc. (USA)
RCM1-4ABEC1MILG23827 British Manufactured Bearings (GBR)
R4ABEC1MILG23827 PRIMARY Minebea Mitsumi Inc. Div Rodend-Fastener Business Unit (JPN)
R4X1E General Motors Corp Delco Moraine Ndh Div (USA)
R4ABEC1MILG23827 Minebea Mitsumi Inc. (JPN)
Related Parts
3110-00-155-9618INTERCHANGEABLE
BEARING,BALL,ANNULAR
056-4

Frequently Asked Questions

What is NSN 3110-00-115-0759?

NSN 3110-00-115-0759 is a Bearing,ball,annular, manufactured by Timken Co Div the Timken Company, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-115-0759?

NSN 3110-00-115-0759 has 8 cross-referenced part numbers: 4131104-0A1A (Whippany Actuation Systems, Llc), S1K7FS56203 (Timken Co Div the Timken Company), S1K7FS160 (Timken Co Div the Timken Company), R4-4131104-0A1A (Skf Usa Inc.), RCM1-4ABEC1MILG23827 (British Manufactured Bearings) and 3 more.

What NSN replaces 3110-00-115-0759?

There is 1 known substitute for 3110-00-115-0759: 3110-00-155-9618. Verify interchangeability with system specifications before substitution.

What are the specifications of S1K7FS56203?

Key specifications for S1K7FS56203: Internal Fit-Up Designation: STANDARD; Bore Diameter: 0.2500 INCHES NOMINAL IN; Overall Width: 0.1960 INCHES NOMINAL IN; Standard Tolerance Designation: ABEC NO.1. 13 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com