PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

203SFQ4Bearing,ball,annular

Skf Usa Inc. · NSN 3110-00-144-8782 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-144-8782 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-144-8782. Primary manufacturer part number: 203SFQ4.
Features
  • Bearing,ball,annular — FSC 3110
  • Departure From Cited Designator: AS MODIFIED BY INTERNAL FIT-UP DESIGNATION
  • Bore Shape: STRAIGHT
  • Load Direction: RADIAL
  • Overall Outside Diameter: 40.00 MILLIMETERS NOMINAL MM
  • Surface Finish: GROUND
  • Style Designator: NON-LOADING GROOVE, NON-SEPARABLE
  • Bore Diameter: 17.00 MILLIMETERS NOMINAL MM
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-144-8782, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Skf Usa Inc.. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-144-8782
Primary Part Number203SFQ4
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSkf Usa Inc.
StatusACTIVE
Departure From Cited DesignatorAS MODIFIED BY INTERNAL FIT-UP DESIGNATION
Bore ShapeSTRAIGHT
Load DirectionRADIAL
Overall Outside Diameter40.00 MILLIMETERS NOMINAL MM
Surface FinishGROUND
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Bore Diameter17.00 MILLIMETERS NOMINAL MM
Standard Tolerance DesignationABEC NO.1
Shield Quantity1
MaterialSTEEL OVERALL
Nondefinitive Spec/std Data111 TYPE AND 2 CLASS AND 00 GRADE
Internal Fit-Up DesignationTIGHT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4520-00-014-5624B2057 INTERCHANGEABLE
Plate,air Inlet
Dcm Manufacturing, Inc.
4730-00-057-6456 INTERCHANGEABLE
Adapter,straight,tube to Hose
4730-00-075-0538 INTERCHANGEABLE
Adapter,straight,tube to Hose
6145-00-080-1127 INTERCHANGEABLE
Wire,electrical
6685-00-105-3276350-180 INTERCHANGEABLE
Thermostat,flow Control
Schneider Electric Systems Usa Inc
1560-00-122-866212931 INTERCHANGEABLE
Strut,left Front Ju
Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company
5133-00-189-9289DBE44B INTERCHANGEABLE
Drill,twist
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
5310-00-208-924212931 INTERCHANGEABLE
Nut,plain,hexagon
Ge Aviation Systems Llc
5315-00-374-3006 INTERCHANGEABLE
Pin,straight,headless
4730-00-408-2410C410C-75-447-S INTERCHANGEABLE
Clamp,hose
Clampco Products, Inc.
Cross-Reference Index
Part NumberManufacturer
203SFQ4 PRIMARY Skf Usa Inc. (USA)
FFB171 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
7503T1 General Motors Corp Delco Moraine Ndh Div (USA)
12931 PRIMARY Itw Food Equipment Group Llc Dba Hobart Service (USA)
7503T1 PRIMARY General Motors Corp (USA)
7503ND PRIMARY Itw Food Equipment Group Llc Dba Hobart Service (USA)
13110 PRIMARY Itw Food Equipment Group Llc Dba Hobart Service (USA)
7503T1C General Motors Corp Delco Moraine Ndh Div (USA)
B2057 Wico-Prestolite Co the Div of Eltra Corp (USA)
7503T1C PRIMARY General Motors Corp (USA)
H203KD Timken Co Div the Timken Company (USA)
44114 PRIMARY Itw Food Equipment Group Llc Dba Hobart Service (USA)
6203ZC2 PRIMARY Skf Usa Inc. (USA)
Related Parts
4520-00-014-5624INTERCHANGEABLE
PLATE,AIR INLET
B2057
4730-00-057-6456INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
4730-00-075-0538INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
6145-00-080-1127INTERCHANGEABLE
WIRE,ELECTRICAL
6685-00-105-3276INTERCHANGEABLE
THERMOSTAT,FLOW CONTROL
350-180
1560-00-122-8662INTERCHANGEABLE
STRUT,LEFT FRONT JU
12931
5133-00-189-9289INTERCHANGEABLE
DRILL,TWIST
DBE44B
5310-00-208-9242INTERCHANGEABLE
NUT,PLAIN,HEXAGON
12931
5315-00-374-3006INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
4730-00-408-2410INTERCHANGEABLE
CLAMP,HOSE
C410C-75-447-S
4710-00-533-2574INTERCHANGEABLE
TUBE ASSEMBLY,METAL
12931
5355-00-668-6321INTERCHANGEABLE
KNOB
44114

Frequently Asked Questions

What is NSN 3110-00-144-8782?

NSN 3110-00-144-8782 is a Bearing,ball,annular, manufactured by Skf Usa Inc., classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-144-8782?

NSN 3110-00-144-8782 has 13 cross-referenced part numbers: 203SFQ4 (Skf Usa Inc.), FFB171 (Federal Specifications Promulgated by General Services Administration Washington DC), 7503T1 (General Motors Corp Delco Moraine Ndh Div), 12931 (Itw Food Equipment Group Llc Dba Hobart Service), 7503T1 (General Motors Corp) and 8 more.

What NSN replaces 3110-00-144-8782?

There are 12 known substitutes for 3110-00-144-8782: 4520-00-014-5624, 4730-00-057-6456, 4730-00-075-0538 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 203SFQ4?

Key specifications for 203SFQ4: Departure From Cited Designator: AS MODIFIED BY INTERNAL FIT-UP DESIGNATION; Bore Shape: STRAIGHT; Load Direction: RADIAL; Overall Outside Diameter: 40.00 MILLIMETERS NOMINAL MM. 13 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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