PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1903SBearing,ball,annular

Skf Usa Inc. · NSN 3110-00-773-9558 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-773-9558 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-773-9558. Primary manufacturer part number: 1903S.
Features
  • Bearing,ball,annular — FSC 3110
  • Material: STEEL OVERALL
  • Style Designator: NON-LOADING GROOVE, NON-SEPARABLE
  • Internal Fit-Up Designation: STANDARD
  • Load Direction: RADIAL
  • Overall Outside Diameter: 30.0 MILLIMETERS NOMINAL MM
  • Surface Finish: GROUND
  • Bore Diameter: 17.0 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 3110-00-773-9558, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-773-9558
Primary Part Number1903S
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSkf Usa Inc.
StatusCANCELLED
MaterialSTEEL OVERALL
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Internal Fit-Up DesignationSTANDARD
Load DirectionRADIAL
Overall Outside Diameter30.0 MILLIMETERS NOMINAL MM
Surface FinishGROUND
Bore Diameter17.0 MILLIMETERS NOMINAL MM
Standard Tolerance DesignationABEC NO.1
Retainer Fabrication MethodPRESSED
Bore ShapeSTRAIGHT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-151-5032 INTERCHANGEABLE
Bearing,ball,annular
3110-00-180-728467560 INTERCHANGEABLE
Bearing,ball,annular
Rbc Aircraft Products, Inc.
3110-00-184-1995 INTERCHANGEABLE
Bearing,ball,annular
3110-00-195-1047 INTERCHANGEABLE
Bearing,ball,annular
3110-00-275-0128 INTERCHANGEABLE
Bearing,ball,annular
3110-00-277-0256 INTERCHANGEABLE
Bearing,ball,annular
3110-00-277-0326 INTERCHANGEABLE
Bearing,ball,annular
3110-00-293-8961 INTERCHANGEABLE
Bearing,ball,annular
3110-00-554-5925 INTERCHANGEABLE
Bearing,ball,annular
3110-00-580-07861557046 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Cross-Reference Index
Part NumberManufacturer
H1126-21 Haydu Electronic Products Inc
411209-1 Raytheon Company Dba Raytheon (USA)
AA59582-503JABT Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
1533090 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
FF-B-171/02J03A2E Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
10606650-1 Us Army Aviation and Missile Command (USA)
A-A-59582 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
1903S PRIMARY Skf Usa Inc. (USA)
3LL03X1A General Motors Corp Delco Moraine Ndh Div (USA)
5900655 Hamilton Sundstrand Corporation (USA)
Related Parts
3110-00-151-5032INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-180-7284INTERCHANGEABLE
BEARING,BALL,ANNULAR
67560
3110-00-184-1995INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-195-1047INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-275-0128INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-277-0256INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-277-0326INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-293-8961INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-554-5925INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-580-0786INTERCHANGEABLE
BEARING,BALL,ANNULAR
1557046
3110-00-690-1860INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-957-4324INTERCHANGEABLE
BEARING,BALL,ANNULAR

Frequently Asked Questions

What is NSN 3110-00-773-9558?

NSN 3110-00-773-9558 is a Bearing,ball,annular, manufactured by Skf Usa Inc., classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-773-9558?

NSN 3110-00-773-9558 has 10 cross-referenced part numbers: H1126-21 (Haydu Electronic Products Inc), 411209-1 (Raytheon Company Dba Raytheon), AA59582-503JABT (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), 1533090 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), FF-B-171/02J03A2E (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 5 more.

What NSN replaces 3110-00-773-9558?

There are 12 known substitutes for 3110-00-773-9558: 3110-00-151-5032, 3110-00-180-7284, 3110-00-184-1995 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1903S?

Key specifications for 1903S: Material: STEEL OVERALL; Style Designator: NON-LOADING GROOVE, NON-SEPARABLE; Internal Fit-Up Designation: STANDARD; Load Direction: RADIAL. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-773-9558 still in active supply?

NSN 3110-00-773-9558 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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