PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1-4939Bearing,ball,annular

American Hofmann Corp · NSN 3110-01-047-6354 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-047-6354 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-047-6354. Primary manufacturer part number: 1-4939.
Features
  • Bearing,ball,annular — FSC 3110
  • Bore Diameter: 30.0 MILLIMETERS NOMINAL MM
  • Retainer Fabrication Method: PRESSED
  • Load Direction: RADIAL
  • Lubrication Material: LUBRICANT
  • Shield Quantity: 2
  • Internal Fit-Up Designation: STANDARD
  • Bore Shape: STRAIGHT
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 3110-01-047-6354, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is American Hofmann Corp. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN3110-01-047-6354
Primary Part Number1-4939
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerAmerican Hofmann Corp
StatusACTIVE
Bore Diameter30.0 MILLIMETERS NOMINAL MM
Retainer Fabrication MethodPRESSED
Load DirectionRADIAL
Lubrication MaterialLUBRICANT
Shield Quantity2
Internal Fit-Up DesignationSTANDARD
Bore ShapeSTRAIGHT
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
MaterialSTEEL OVERALL
Standard Tolerance DesignationABEC NO.1
Surface FinishGROUND
Overall Outside Diameter62.0 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3110-00-144-8637015541 INTERCHANGEABLE
Bearing,ball,annular
Hyster-Yale Group, Inc. Dba Yale Materials Handling
5310-00-395-3298 INTERCHANGEABLE
Nut,plain,hexagon
3110-00-554-2975 INTERCHANGEABLE
Bearing,ball,annular
5330-00-924-8173M2622 INTERCHANGEABLE
Seal,plain Encased
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
5310-01-135-9275 INTERCHANGEABLE
Washer
5895-01-233-851014939 INTERCHANGEABLE
Input Output Module
Versitron Inc
5935-01-270-061714939 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Giga-Tronics Incorporated Dba Giga-Tronics
3110-01-431-7370206SZZ-HNCR-HYB/W64F INTERCHANGEABLE
Bearing,roller,cylindrical
Skf Usa Inc.
6550-01-537-5298680 1895 INTERCHANGEABLE
Test Slide,cholesterol Determina
Ortho-Clinical Diagnostics Inc Dba Ortho-Clinical Diagnostics Inc
Cross-Reference Index
Part NumberManufacturer
1-4939 PRIMARY American Hofmann Corp (USA)
206KDD Timken Co Div the Timken Company (USA)
Related Parts
3110-00-144-8637INTERCHANGEABLE
BEARING,BALL,ANNULAR
015541
5310-00-395-3298INTERCHANGEABLE
NUT,PLAIN,HEXAGON
3110-00-554-2975INTERCHANGEABLE
BEARING,BALL,ANNULAR
5330-00-924-8173INTERCHANGEABLE
SEAL,PLAIN ENCASED
M2622
5310-01-135-9275INTERCHANGEABLE
WASHER
5895-01-233-8510INTERCHANGEABLE
INPUT OUTPUT MODULE
14939
5935-01-270-0617INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
14939
3110-01-431-7370INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
206SZZ-HNCR-HYB/W64F
6550-01-537-5298INTERCHANGEABLE
TEST SLIDE,CHOLESTEROL DETERMINA
680 1895

Frequently Asked Questions

What is NSN 3110-01-047-6354?

NSN 3110-01-047-6354 is a Bearing,ball,annular, manufactured by American Hofmann Corp, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-01-047-6354?

NSN 3110-01-047-6354 has 2 cross-referenced part numbers: 1-4939 (American Hofmann Corp), 206KDD (Timken Co Div the Timken Company).

What NSN replaces 3110-01-047-6354?

There are 9 known substitutes for 3110-01-047-6354: 3110-00-144-8637, 5310-00-395-3298, 3110-00-554-2975 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1-4939?

Key specifications for 1-4939: Bore Diameter: 30.0 MILLIMETERS NOMINAL MM; Retainer Fabrication Method: PRESSED; Special Features: 48 IN. RADIUS GROUND ON OD OF OUTER RING IN; Load Direction: RADIAL. 14 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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