PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1904S23Bearing,ball,annular

Skf Usa Inc. · NSN 3110-00-419-9704 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-419-9704 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-419-9704. Primary manufacturer part number: 1904S23.
Features
  • Bearing,ball,annular — FSC 3110
  • Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE BALL
  • Material: STEEL COMP E52100 INNER RING
  • Material: STEEL COMP E52100 BALL
  • Material: STEEL COMP E52100 OUTER RING
  • Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE INNER RING
  • Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OUTER RING
  • Material: COPPER ALLOY RETAINER
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp E52100 Inner Ring construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-419-9704, 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-419-9704
Primary Part Number1904S23
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSkf Usa Inc.
StatusACTIVE
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE BALL
MaterialSTEEL COMP E52100 INNER RING
MaterialSTEEL COMP E52100 BALL
MaterialSTEEL COMP E52100 OUTER RING
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE INNER RING
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE OUTER RING
MaterialCOPPER ALLOY RETAINER
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Standard Tolerance DesignationABEC NO.3
Bore ShapeSTRAIGHT
Internal Fit-Up DesignationSTANDARD
Overall Outside Diameter37.00 MILLIMETERS NOMINAL MM
Bore Diameter20.00 MILLIMETERS NOMINAL MM
Retainer Fabrication MethodMACHINED
Load DirectionRADIAL
Surface FinishGROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3110-00-277-0256 INTERCHANGEABLE
Bearing,ball,annular
3110-00-406-606768-423508 INTERCHANGEABLE
Bearing,ball,annular
Fag Bearings Corporation
Cross-Reference Index
Part NumberManufacturer
1904S Skf Usa Inc. (USA)
HPPBR86 Hiller Aircraft Corporation (USA)
1904S23 PRIMARY Skf Usa Inc. (USA)
AVBR86 Us Army Aviation and Missile Command (USA)
RM9304KMBR Timken Co Div the Timken Company (USA)
HPPBR86 Helicopter Parts Service Inc (USA)
Related Parts
3110-00-277-0256INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-406-6067INTERCHANGEABLE
BEARING,BALL,ANNULAR
68-423508

Frequently Asked Questions

What is NSN 3110-00-419-9704?

NSN 3110-00-419-9704 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 3110-00-419-9704?

NSN 3110-00-419-9704 has 6 cross-referenced part numbers: 1904S (Skf Usa Inc.), HPPBR86 (Hiller Aircraft Corporation), 1904S23 (Skf Usa Inc.), AVBR86 (Us Army Aviation and Missile Command), RM9304KMBR (Timken Co Div the Timken Company) and 1 more.

What NSN replaces 3110-00-419-9704?

There are 2 known substitutes for 3110-00-419-9704: 3110-00-277-0256, 3110-00-406-6067. Verify interchangeability with system specifications before substitution.

What are the specifications of 1904S23?

Key specifications for 1904S23: Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE BALL; Material: STEEL COMP E52100 INNER RING; Material: STEEL COMP E52100 BALL; Material: STEEL COMP E52100 OUTER RING. 17 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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