PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

204123-24Bearing,ball,annular

New Hampshire Ball Bearings Inc Div Precision Division · NSN 3110-01-340-7012 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-340-7012 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-340-7012. Primary manufacturer part number: 204123-24.
Features
  • Bearing,ball,annular — FSC 3110
  • Internal Fit-Up Designation: STANDARD
  • Material: STEEL COMP 440C OVERALL
  • Style Designator: NON-LOADING GROOVE, NON-SEPARABLE
  • Surface Finish: GROUND
  • Flange Outside Diameter: 0.4200 INCHES MINIMUM AND 0.4220 INCHES MAXIMUM IN
  • Bore Diameter: 0.2498 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
  • Flange Width: 0.0210 INCHES MINIMUM AND 0.0230 INCHES MAXIMUM IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp 440c Overall construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-01-340-7012, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is New Hampshire Ball Bearings Inc Div Precision Division. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 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
NSN3110-01-340-7012
Primary Part Number204123-24
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerNew Hampshire Ball Bearings Inc Div Precision Division
StatusACTIVE
Internal Fit-Up DesignationSTANDARD
MaterialSTEEL COMP 440C OVERALL
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Surface FinishGROUND
Flange Outside Diameter0.4200 INCHES MINIMUM AND 0.4220 INCHES MAXIMUM IN
Bore Diameter0.2498 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
Flange Width0.0210 INCHES MINIMUM AND 0.0230 INCHES MAXIMUM IN
Bore ShapeSTRAIGHT
Retainer Fabrication MethodPRESSED
Load DirectionRADIAL
Outer Ring Outside Diameter0.3748 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3455-00-224-365009200 INTERCHANGEABLE
Cutter,milling,metal Slitting
Niagara Cutter Inc
3030-00-529-0300 INTERCHANGEABLE
Belt,v
5999-00-546-3050B2.10 INTERCHANGEABLE
Heater,thermal Release
Schneider Electric Usa, Inc.
5910-00-643-898011031579-1 INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
Us Army Aviation and Missile Command
5930-01-215-6742 INTERCHANGEABLE
Boot,dust and Moisture Seal
5998-01-443-8597B210 INTERCHANGEABLE
Circuit Card Assembly
Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
3110-01-678-7024B2-10 INTERCHANGEABLE
Bearing,ball,annular
Rexnord Industries, Llc Div Aerospace Solutions Downers Grove
6840-01-682-5577B210 INTERCHANGEABLE
Biocide,water Additive
Biosan Laboratories Inc
5330-01-690-9047B210 INTERCHANGEABLE
Packing,preformed
John G Papailias Co Inc Dba J G Papailias
Cross-Reference Index
Part NumberManufacturer
B2-10 Nordex, Incorporated Dba Nordex Inc (USA)
204123-24 PRIMARY New Hampshire Ball Bearings Inc Div Precision Division (USA)
SSRIF-614 New Hampshire Ball Bearings Inc Div Precision Division (USA)
204123-24 W. M. Berg, Inc. (USA)
B2-10 W. M. Berg, Inc. (USA)
204123-24 Aerosonic Llc (USA)
B2-10 Nordex Inc (USA)
Related Parts
3455-00-224-3650INTERCHANGEABLE
CUTTER,MILLING,METAL SLITTING
09200
3030-00-529-0300INTERCHANGEABLE
BELT,V
5999-00-546-3050INTERCHANGEABLE
HEATER,THERMAL RELEASE
B2.10
5910-00-643-8980INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
11031579-1
5930-01-215-6742INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
5998-01-443-8597INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
B210
3110-01-678-7024INTERCHANGEABLE
BEARING,BALL,ANNULAR
B2-10
6840-01-682-5577INTERCHANGEABLE
BIOCIDE,WATER ADDITIVE
B210
5330-01-690-9047INTERCHANGEABLE
PACKING,PREFORMED
B210

Frequently Asked Questions

What is NSN 3110-01-340-7012?

NSN 3110-01-340-7012 is a Bearing,ball,annular, manufactured by New Hampshire Ball Bearings Inc Div Precision Division, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-01-340-7012?

NSN 3110-01-340-7012 has 7 cross-referenced part numbers: B2-10 (Nordex, Incorporated Dba Nordex Inc), 204123-24 (New Hampshire Ball Bearings Inc Div Precision Division), SSRIF-614 (New Hampshire Ball Bearings Inc Div Precision Division), 204123-24 (W. M. Berg, Inc.), B2-10 (W. M. Berg, Inc.) and 2 more.

What NSN replaces 3110-01-340-7012?

There are 9 known substitutes for 3110-01-340-7012: 3455-00-224-3650, 3030-00-529-0300, 5999-00-546-3050 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 204123-24?

Key specifications for 204123-24: Internal Fit-Up Designation: STANDARD; Material: STEEL COMP 440C OVERALL; Style Designator: NON-LOADING GROOVE, NON-SEPARABLE; Surface Finish: GROUND. 12 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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