PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12Z10840-4Bearing,roller,self-Aligning

Naval Ordnance Standards · NSN 3110-00-227-2373 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-227-2373 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-227-2373. Primary manufacturer part number: 12Z10840-4.
Features
  • Bearing,roller,self-Aligning — FSC 3110
  • Material: STEEL COMP E51100 OR STEEL COMP E52100 ROLLER
  • Material: STEEL COMP E51100 OR STEEL COMP E52100 INNER RING
  • Standard Tolerance Designation: RBEC NO.1
  • Overall Outside Diameter: 200.0 MILLIMETERS NOMINAL MM
  • Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OUTER RING
  • Style Designator: DOUBLE ROW, SPHERICAL ROLLERS, SELF-CONTAINED, OUTER AND INNER RACEWAYS CONCAVE, NON-SEPARABLE
  • Material: ALUMINUM OR COPPER ALLOY OR STEEL RETAINER
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp E51100 or Steel Comp E52100 Roller construction
General Description

The Bearing,roller,self-Aligning, cataloged under National Stock Number 3110-00-227-2373, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Naval Ordnance Standards. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-227-2373
Primary Part Number12Z10840-4
Item NameBearing,roller,self-Aligning
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerNaval Ordnance Standards
StatusACTIVE
MaterialSTEEL COMP E51100 OR STEEL COMP E52100 ROLLER
MaterialSTEEL COMP E51100 OR STEEL COMP E52100 INNER RING
Standard Tolerance DesignationRBEC NO.1
Overall Outside Diameter200.0 MILLIMETERS NOMINAL MM
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES OUTER RING
Style DesignatorDOUBLE ROW, SPHERICAL ROLLERS, SELF-CONTAINED, OUTER AND INNER RACEWAYS CONCAVE, NON-SEPARABLE
MaterialALUMINUM OR COPPER ALLOY OR STEEL RETAINER
Surface FinishGROUND
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES INNER RING
MaterialSTEEL COMP E51100 OR STEEL COMP E52100 OUTER RING
Bore ShapeSTRAIGHT
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES ROLLER
Internal Fit-Up DesignationSTANDARD
Bore Diameter120.0 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5961-00-147-7321 INTERCHANGEABLE
Semiconductor Device,diode
4320-00-391-406623124 INTERCHANGEABLE
Pump,centrifugal
Industrial Technologies and Services Llc
5330-00-406-227223-124 INTERCHANGEABLE
Gasket
Tankcraft Corp
6140-00-431-6805ANSI 1.2K3 INTERCHANGEABLE
Battery,storage
American National Standards Institute Incorporated Dba American National Standards Institute
5305-01-188-656723124 INTERCHANGEABLE
Screw
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
4710-01-343-2012 INTERCHANGEABLE
Tube and Fittings,metallic
6685-01-537-7751 INTERCHANGEABLE
Thermocouple,immersion
3120-01-574-7541N23124 INTERCHANGEABLE
Bushing,sleeve
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-695-8544 INTERCHANGEABLE
Valve,linear,directional Control
Cross-Reference Index
Part NumberManufacturer
12Z10840-4 Naval Ordnance Standards (USA)
12Z10840-4 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
23124 Skf Usa Inc. (USA)
MS17133-36 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5961-00-147-7321INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
4320-00-391-4066INTERCHANGEABLE
PUMP,CENTRIFUGAL
23124
5330-00-406-2272INTERCHANGEABLE
GASKET
23-124
6140-00-431-6805INTERCHANGEABLE
BATTERY,STORAGE
ANSI 1.2K3
5305-01-188-6567INTERCHANGEABLE
SCREW
23124
4710-01-343-2012INTERCHANGEABLE
TUBE AND FITTINGS,METALLIC
6685-01-537-7751INTERCHANGEABLE
THERMOCOUPLE,IMMERSION
3120-01-574-7541INTERCHANGEABLE
BUSHING,SLEEVE
N23124
4820-01-695-8544INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL

Frequently Asked Questions

What is NSN 3110-00-227-2373?

NSN 3110-00-227-2373 is a Bearing,roller,self-Aligning, manufactured by Naval Ordnance Standards, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-227-2373?

NSN 3110-00-227-2373 has 4 cross-referenced part numbers: 12Z10840-4 (Naval Ordnance Standards), 12Z10840-4 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 23124 (Skf Usa Inc.), MS17133-36 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 3110-00-227-2373?

There are 9 known substitutes for 3110-00-227-2373: 5961-00-147-7321, 4320-00-391-4066, 5330-00-406-2272 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12Z10840-4?

Key specifications for 12Z10840-4: Material: STEEL COMP E51100 OR STEEL COMP E52100 ROLLER; Material: STEEL COMP E51100 OR STEEL COMP E52100 INNER RING; Standard Tolerance Designation: RBEC NO.1; Overall Outside Diameter: 200.0 MILLIMETERS NOMINAL MM. 16 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