PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S418FCEP25LY5Bearing,ball,annular

Mpb Corp Div Timken Super Precision · NSN 3110-01-037-4270 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-037-4270 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-037-4270. Primary manufacturer part number: S418FCEP25LY5.
Features
  • Bearing,ball,annular — FSC 3110
  • Outer Ring Width: 0.0937 INCHES NOMINAL IN
  • Load Direction: RADIAL
  • Standard Tolerance Designation: ABEC NO. 7P
  • Surface Finish: GROUND
  • Retainer Fabrication Method: PRESSED
  • Lubrication Material: OIL
  • Outer Ring Outside Diameter: 0.2500 INCHES NOMINAL IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp 440A Overall construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-01-037-4270, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Mpb Corp Div Timken Super Precision. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-01-037-4270
Primary Part NumberS418FCEP25LY5
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerMpb Corp Div Timken Super Precision
StatusACTIVE
Outer Ring Width0.0937 INCHES NOMINAL IN
Load DirectionRADIAL
Standard Tolerance DesignationABEC NO. 7P
Surface FinishGROUND
Retainer Fabrication MethodPRESSED
Lubrication MaterialOIL
Outer Ring Outside Diameter0.2500 INCHES NOMINAL IN
Flange Outside Diameter0.2960 INCHES NOMINAL IN
Flange Width0.0230 INCHES NOMINAL IN
Internal Clearance0.0002 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN
Inner Ring Width0.1250 INCHES NOMINAL IN
MaterialSTEEL COMP 440A OVERALL A
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Lubrication Material Document and ClassificationF50,FSCM 24446 MFR REF SINGLE MATERIAL RESPONSE
Material Document and ClassificationAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Internal Fit-Up DesignationSTANDARD
Bore ShapeSTRAIGHT
Bore Diameter0.1250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3110-00-110-5578405002-3 INTERCHANGEABLE
Bearing,ball,annular
Transicoil Llc Dba Ads Transicoil Div Transicoil
3110-00-227-2531 INTERCHANGEABLE
Bearing,ball,annular
3110-00-256-6901 INTERCHANGEABLE
Bearing,ball,annular
3110-00-720-2348 INTERCHANGEABLE
Bearing,ball,annular
3110-00-842-3312 INTERCHANGEABLE
Bearing,ball,annular
3110-01-384-7762 INTERCHANGEABLE
Bearing,ball,annular
Cross-Reference Index
Part NumberManufacturer
S418FCEP25LY5 Mpb Corp Div Timken Super Precision (USA)
M81793/08-FA2N2N1AP Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-B-81793D Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
3110-00-110-5578INTERCHANGEABLE
BEARING,BALL,ANNULAR
405002-3
3110-00-227-2531INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-256-6901INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-720-2348INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-842-3312INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-01-384-7762INTERCHANGEABLE
BEARING,BALL,ANNULAR

Frequently Asked Questions

What is NSN 3110-01-037-4270?

NSN 3110-01-037-4270 is a Bearing,ball,annular, manufactured by Mpb Corp Div Timken Super Precision, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-01-037-4270?

NSN 3110-01-037-4270 has 3 cross-referenced part numbers: S418FCEP25LY5 (Mpb Corp Div Timken Super Precision), M81793/08-FA2N2N1AP (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-B-81793D (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 3110-01-037-4270?

There are 6 known substitutes for 3110-01-037-4270: 3110-00-110-5578, 3110-00-227-2531, 3110-00-256-6901 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S418FCEP25LY5?

Key specifications for S418FCEP25LY5: Outer Ring Width: 0.0937 INCHES NOMINAL IN; Load Direction: RADIAL; Standard Tolerance Designation: ABEC NO. 7P; Surface Finish: GROUND. 18 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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