PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M81793-FHEGAN01AF71AB1Bearing,ball,annular

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 3110-01-020-6946 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-020-6946 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-020-6946. Primary manufacturer part number: M81793-FHEGAN01AF71AB1.
Features
  • Bearing,ball,annular — FSC 3110
  • Bore Diameter: 0.2500 INCHES NOMINAL IN
  • Style Designator: NON-LOADING GROOVE, NON-SEPARABLE
  • Flange Width: 0.0230 INCHES NOMINAL IN
  • Load Direction: RADIAL
  • Lubrication Material Document and Classification: MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE
  • Lubrication Material: OIL
  • Retainer Fabrication Method: PRESSED
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-01-020-6946, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-01-020-6946
Primary Part NumberM81793-FHEGAN01AF71AB1
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Bore Diameter0.2500 INCHES NOMINAL IN
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Flange Width0.0230 INCHES NOMINAL IN
Load DirectionRADIAL
Lubrication Material Document and ClassificationMIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE
Lubrication MaterialOIL
Retainer Fabrication MethodPRESSED
Bore ShapeSTRAIGHT
Surface FinishGROUND
Standard Tolerance DesignationABEC NO.7
Flange Outside Diameter0.4220 INCHES NOMINAL IN
Outer Ring Outside Diameter0.3750 INCHES NOMINAL IN
Outer Ring Width0.1250 INCHES NOMINAL IN
Internal Clearance0.0005 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN
Inner Ring Width0.1562 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-034-2162 INTERCHANGEABLE
Bearing,ball,annular
3110-00-085-7842 INTERCHANGEABLE
Bearing,ball,annular
3110-00-324-6993 INTERCHANGEABLE
Bearing,ball,annular
3110-00-618-9266 INTERCHANGEABLE
Bearing,ball,annular
3110-00-739-7058 INTERCHANGEABLE
Bearing,ball,annular
3110-00-768-7521 INTERCHANGEABLE
Bearing,ball,annular
3110-00-768-7522 INTERCHANGEABLE
Bearing,ball,annular
3110-00-773-9557 INTERCHANGEABLE
Bearing,ball,annular
3110-00-936-2640 INTERCHANGEABLE
Bearing,ball,annular
3110-01-028-2503 INTERCHANGEABLE
Bearing,ball,annular
Cross-Reference Index
Part NumberManufacturer
M81793-FHEGAN01AF71AB1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-B-81793/16 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M81793/16-KA2N5N1A1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M81793-FHEGAN01AF72AB1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
S614FCE7P58L02Q14 Mpb Corp Div Timken Super Precision (USA)
Related Parts
3110-00-034-2162INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-085-7842INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-324-6993INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-618-9266INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-739-7058INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-768-7521INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-768-7522INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-773-9557INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-936-2640INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-01-028-2503INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-01-029-0792INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-01-065-2671INTERCHANGEABLE
BEARING,BALL,ANNULAR

Frequently Asked Questions

What is NSN 3110-01-020-6946?

NSN 3110-01-020-6946 is a Bearing,ball,annular, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-01-020-6946?

NSN 3110-01-020-6946 has 5 cross-referenced part numbers: M81793-FHEGAN01AF71AB1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-B-81793/16 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M81793/16-KA2N5N1A1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M81793-FHEGAN01AF72AB1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), S614FCE7P58L02Q14 (Mpb Corp Div Timken Super Precision).

What NSN replaces 3110-01-020-6946?

There are 12 known substitutes for 3110-01-020-6946: 3110-00-034-2162, 3110-00-085-7842, 3110-00-324-6993 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M81793-FHEGAN01AF71AB1?

Key specifications for M81793-FHEGAN01AF71AB1: Bore Diameter: 0.2500 INCHES NOMINAL IN; Style Designator: NON-LOADING GROOVE, NON-SEPARABLE; Flange Width: 0.0230 INCHES NOMINAL IN; Load Direction: RADIAL. 16 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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